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1 .     ¦Â1-chaconine
C39H63NO10     ÏàËÆ¶È:73.9%
Phytochemistry          1982          21          187-192
Basic steroid saponins from aerial parts of Fritillaria Thunbergii
Junichi Kitajima, Tetsuya Komori, Toshio Kawasaki, Hans-rolf Schulten
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

2 .     compound 7
C40H67NO11     ÏàËÆ¶È:73.9%
Phytochemistry          1982          21          187-192
Basic steroid saponins from aerial parts of Fritillaria Thunbergii
Junichi Kitajima, Tetsuya Komori, Toshio Kawasaki, Hans-rolf Schulten
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

3 .     3¦Â,20¦Î-dihydroxy-14¦Á-card-5-enolide
    ÏàËÆ¶È:72.7%
Steroids          1982          39          181-190
Acyl migration in the Reformatsky reaction of 21-acyloxy-5-pregnen-20-one derivatives with ethyl bromoacetate
Alicia M. Seldes, Eduardo G. Gros
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

4 .     Pregnenolone
    ÏàËÆ¶È:68.1%
Steroids          1995          60          442-446
Complete 1H and 13C NMR spectra of pregnenolone
Zsuzsa Szendi, Peter Forg¨®, Frederick Sweet
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

5 .     pregn-5-ene-3¦Â,16¦Â,20(R)-trio1 3-O-¦Â-D-glucopyranoside
C27H44O8     ÏàËÆ¶È:66.6%
Phytochemistry          1995          40          1773-1775
Pregnane glycosides from fruits of Balanites aegyptiaca
M. S. Kamel, A. Koskinen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

6 .     (20R)-O-(3)-¦Á-L-arabinopyranosyl-pregn-5-en-3¦Â,20-diol
C21H34O2     ÏàËÆ¶È:65.3%
Phytochemistry          1995          38          699-701
(20R)-O-(3)-¦Á-L-arabinopyranosyl-pregn-5-en-3¦Â, 20-diol from Brucea javanica
Christine Kamperdick, Tran Van Sung, Trinh Thi Thuy, Mai Van Tri, G¨¹nter Adam
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

7 .     (20R)-O-(3)-¦Á-L-arabinopyranosyl-pregn-5-ene-3,20-diol
C26H42O6     ÏàËÆ¶È:65.3%
Archives of Pharmacal Research          2009          32          661-666
A new triterpenoid from Brucea javanica
Jian Hua Liu, Jiang Jiang Qin, Hui Zi Jin, Xiao Jia Hu and Ming Chen, et al.
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

8 .     3¦Â-Hydroxy-24-norchol-5-en-23-oic acid
    ÏàËÆ¶È:65.2%
Steroids          2005          70          873-878
Isolation and absolute configuration of new bioactive marine steroids from Euryspongia n. sp.
Anne Mandeau, Cecile Debitus, Marie-Françoise Ari¨¨s, Bruno David
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

9 .     (22R,22S)-cholest-5-ene-3¦Â,22,24-triol
    ÏàËÆ¶È:64%
Russian Journal of Organic Chemistry          2002          38          355-360
Modification of A and B Rings in 20-Dihydroisoxazolyl Steroids and Their Derivatives with a Functionalized Side Chain
R. P. Litvinovskaya, N. V. Koval' and V. A. Khripach
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

10 .     Pregnenolone
C21H32O2     ÏàËÆ¶È:63.6%
Acta Botanica Yunnanica          1997          19(1)          92-96
STUDY ON CHEMICAL CONSTITUENTS OF SAUSSUREA LAPPA ¢ò
Yang Hui, ¡¡Xie J inlun,¡¡Sun Handong
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

11 .     pregnenolone
    ÏàËÆ¶È:63.6%
Chemistry of Natural Compounds          1984          20          177-182
CATALYTIC REARRANGEMENT OF ¦Á-D-GLUCOSE 1,2-ORTHOACETATE DERIVATIVES OF PREGNENOLONE AND 16-DEHYDROPREGNENOLONE
N. F. Samoshina, V. A. Denisenko, V. L. Novikov, and N. I. Uvarova
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

12 .     dipregnenolone-yl ether
    ÏàËÆ¶È:63.6%
Chemistry of Natural Compounds          1984          20          177-182
CATALYTIC REARRANGEMENT OF ¦Á-D-GLUCOSE 1,2-ORTHOACETATE DERIVATIVES OF PREGNENOLONE AND 16-DEHYDROPREGNENOLONE
N. F. Samoshina, V. A. Denisenko, V. L. Novikov, and N. I. Uvarova
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

13 .     1'-Methyl-5'-methylthio-pyrazolo[4',3':16,17]androst-5-en-3¦Â-ol
C22H32N2OS     ÏàËÆ¶È:63.6%
Molecules          2003          8          444-452
Synthesis of New Pyrazole and Pyrimidine Steroidal Derivatives
Daniel G. Rivera, Klaus Peseke, Isabel Jomarr¨®n, Alina Montero, Reinaldo Molina and Francisco Coll
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

14 .     3¦Â-Hydroxy-androst-5-eno[17,16-c]-[1'H]-5'-methylthiopyrazole
    ÏàËÆ¶È:63.6%
Steroids          2002          67          203-209
Synthesis of some A- and D-ring fused steroidal pyrazoles, isoxazoles and pyrimidines
Warjeet S. Laitonjam, Tombisana S. Rajkumar, Brajakishor S. Chingakham
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

15 .     3¦Â-Hydroxy[19-2H3]pregn-5-en-20-one
C21H29H3O2     ÏàËÆ¶È:63.6%
Steroids          2004          69          161-171
Synthesis of [19-2H3]-analogs of dehydroepiandrosterone and pregnenolone and their sulfates
Ivan Černý, Vladim¨ªr Pouzar, Miloš Budĕš¨ªnský, Marie Biĕ¨ªkov¨¢, Martin Hill, Richard Hampl
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

16 .     3¦Â-Hydroxy[19-2H2]pregn-5-en-20-one
    ÏàËÆ¶È:63.6%
Steroids          2004          69          161-171
Synthesis of [19-2H3]-analogs of dehydroepiandrosterone and pregnenolone and their sulfates
Ivan Černý, Vladim¨ªr Pouzar, Miloš Budĕš¨ªnský, Marie Biĕ¨ªkov¨¢, Martin Hill, Richard Hampl
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

17 .     compound
    ÏàËÆ¶È:63.6%
Steroids          2004          69          161-171
Synthesis of [19-2H3]-analogs of dehydroepiandrosterone and pregnenolone and their sulfates
Ivan Černý, Vladim¨ªr Pouzar, Miloš Budĕš¨ªnský, Marie Biĕ¨ªkov¨¢, Martin Hill, Richard Hampl
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

18 .     24-Norchol-5-en-3¦Â,23-diol
C23H38O2     ÏàËÆ¶È:63.6%
Steroids          2005          70          551-562
Preparation of (25R)- and (25S)-26-functionalized steroids as tools for biosynthetic studies of cholic acids
Vladimir A. Khripach, Vladimir N. Zhabinskii, Olga V. Konstantinova, Natalya B. Khripach, Alexey V. Antonchick, Andrey P. Antonchick, Bernd Schneider
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

19 .     3¦Â-Chloro-androst-5-en-17-one
C19H27ClO     ÏàËÆ¶È:63.6%
Steroids          2005          70          825-830
Chlorination of 3¦Â-hydroxyl-5-¦¤ steroids with anhydrous ferric chloride
Feng-Wu Liu, Hong-Min Liu, Yan-Bing Zhang, Jing-Yu Zhang, Li-Huan Tian
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

20 .     pregnenolone
C21H32O2     ÏàËÆ¶È:63.6%
Journal of Asian Natural Products Research          2002          4          33-41
CONSTITUENTS FROM THE ROOTS OF HERACLEUM RAPULA FRANCH
XUE-MEI NIU, SHENG-HONG LI, BEI JIANG, QIN-SHI ZHAO and HAN-DONG SUN
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

21 .     pergnenolone
    ÏàËÆ¶È:63.6%
Natural Product Research          2006          20          860-865
A new dihydroisocoumarin from the rhizomes of Notopterygium forbesii
Yan-Hui Li; Fan Luo; Shu-Lin Peng; Jian Liang; Li-Sheng Ding
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

22 .     balagyptin aglycone
    ÏàËÆ¶È:63.6%
Phytochemistry          1995          40          1773-1775
Pregnane glycosides from fruits of Balanites aegyptiaca
M. S. Kamel, A. Koskinen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

23 .     ¡÷5-pregnene-3¦Â,16¦Â,20(R)-triol
C21H34O3     ÏàËÆ¶È:63.6%
Phytochemistry          1988          27          1173-1179
Pregnane glycosides from an antitumour fraction of Periploca sepium
Hideji itokawa,Junping Xu,Koichi Takeya
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

24 .     buxamine-A
    ÏàËÆ¶È:63.6%
Phytochemistry          1990          29          1293-1296
Three steroidal alkaloids from Buxus hildebrandtii
Atta-ur-Rahman,Muzaffar Alam,Habib Nasir,Ermias Dagne,Abiy Yenesew
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

25 .     17¦Â,2'-dihydroxy-4-androsteno[3,2-d]pyrimidine
    ÏàËÆ¶È:63.6%
Indian Journal of Chemistry          2006          45B          959-966
A facile synthesis of steroidal pyrazoles,isoxazoles and pyrimidines from testosterone
Singh,Ch Brajakishor; Singh,L Warjeet
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

26 .     3¦Â-hydroxy-5-pregnen-20-one
    ÏàËÆ¶È:63.6%
Steroids          1996          61          74-81
15¦Â-Hydroxysteroids(Part I). Steroids of the human perinatal period: The synthesis of 3¦Â,15¦Â,17¦Á-trihydroxy-5-pregnen-20-one
Anthony Y. Reeder, George E. Joannou
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

27 .     Pregnenolone
    ÏàËÆ¶È:63.6%
Steroids          1995          60          442-446
Complete 1H and 13C NMR spectra of pregnenolone
Zsuzsa Szendi, Peter Forg¨®, Frederick Sweet
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

28 .     Pregnenolone
C21H32O2     ÏàËÆ¶È:63.6%
Journal of Asian Natural products Research          2010          12          851-858
Ethylenediamine: an effective reagent for deacetylation of natural products
Ramasamy Mohankumar; Kaliappan Ilango; Vichangal Pridiuldi Santhanakrishnan; Viswanathan Radhakrishnan; Srinivasan Narasimhan
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

29 .     pregnenolone
    ÏàËÆ¶È:63.6%
Chinese Journal of Natural Medicines          2007          5          351-354
Chemical Constituents of Notopterygium incisum
LI Li-Mei; LIANG Bao-De; YU Shao-Wen; SUN Han-Dong
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

30 .     3¦Â-hydroxy-5-pregnen-20-one
C21H32O2     ÏàËÆ¶È:63.6%
Chinese Journal of Natural Medicines          2010          8          270-273
Chemical Constituents from the Roots of Dysoxylum densiflorum
LI Chang-Song; YU Hong-Wei; LI Guo-You; ZHANG Guo-Lin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

31 .     periplocogenin
C28H42O6     ÏàËÆ¶È:63.6%
Chinese Pharmaceutical Journal          2009          44          968-971
Steroids from the Roots of Periploca sepium
YIN Zhi-qi, WANG Lei, ZHANG Xiao-qi, YE Wen-cai, ZHANG Jian
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

32 .     20(R)-20,21-Aziridinylpregn-5-en-3¦Â-ol
C21H33NO     ÏàËÆ¶È:63.6%
Bioorganic & Medicinal Chemistry          1996          4          1447-1453
20-Amino and 20,21-aziridinyl pregnene steroids: Development of potent inhibitors of 17¦Á-hydroxylase/C17,20-lyase (P450 17)
Vincent C.O. Njar, Markus Hector, Rolf W. Hartmann
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

33 .     16¦Â-azidomethylandrost-5-ene-3¦Â,17¦Â-diol
C20H31N3O2     ÏàËÆ¶È:63.6%
molecules          2011          16          4786-4806
Synthesis and In Vitro Antiproliferative Activity of Novel Androst-5-ene Triazolyl and Tetrazolyl Derivatives
Zal¨¢n K¨¢d¨¢r, D¨®ra Kov¨¢cs, Éva Frank, Gyula Schneider, Judit Huber, Istv¨¢n Zupk¨®, Tibor Bart¨®k and J¨¢nos Wölfling
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

34 .     3¦Â,5¦Á-pregn-20-one-3-ol
    ÏàËÆ¶È:63.6%
Natural Product Research and Development          2008          20          1-4
Pregnane Steroids in Gorgonian Subergorgia suberosa from the South China Sea
QI Shu-hua; SU Guo-chen; ZHANG Si
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

35 .     compound 5
    ÏàËÆ¶È:63.6%
Organic Magnetic Resonance          1984          22          736-738
Carbon-13 nuclear magnetic resonance spectra of some heterocyclic D-homoandrostanes
Deanna Marcano, Jeannette De M¨¦ndez, Ana C. Ortiz and Mirna Salinas
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

36 .     pregnenolone
C21H32O2     ÏàËÆ¶È:63.6%
Acta Scientiarum Naturalium Universitatis Sunyatseni          2005          44(2)          125-126
Bioactive Oxygenated Sterols from the Soft Coral Sinularia microclavata Tix-Dur
ZHANG Cui-xian, SU Jing-yu, ZENGLong-mei, LIU Yong-ju, YANG Xiao-ping
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

37 .     Isorubijervine
    ÏàËÆ¶È:62.9%
Phytochemistry          1995          38          1547-1550
Two steroidal alkaloids from veratrum viride
Khalid A. El Sayed, James D. McChesney, Ahmed F. Halim, Ahmed M. Zaghloul, Markus Voehler
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

38 .     (3¦Á,8¦Á,9¦Â,10¦Á,13¦Á,14¦Â,17¦Â,20S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]chol-5-en-24-ol
    ÏàËÆ¶È:62.5%
Steroids          2003          68          159-166
First synthesis of ent-desmosterol and its conversion to ent-deuterocholesterol
Emily J. Westover, Douglas F. Covey
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

39 .     3¦Â-Hydroxy-23,24-bisnornorchol-5-en-22-carbaldehyde
    ÏàËÆ¶È:62.5%
Steroids          2005          70          551-562
Preparation of (25R)- and (25S)-26-functionalized steroids as tools for biosynthetic studies of cholic acids
Vladimir A. Khripach, Vladimir N. Zhabinskii, Olga V. Konstantinova, Natalya B. Khripach, Alexey V. Antonchick, Andrey P. Antonchick, Bernd Schneider
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

40 .     (3¦Á,8¦Á,9¦Â,10¦Á,13¦Á,14¦Â,17¦Á,20S)-Chol-5-en-24-oic acid,methyl ester
    ÏàËÆ¶È:62.5%
Steroids          2006          71          484-488
Synthesis of ent-25-hydroxycholesterol
Emily J. Westover, Douglas F. Covey
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

41 .     24-oxochol-5-en-3¦Â-ol
C27H44O2     ÏàËÆ¶È:62.5%
Steroids          2009          74          81-87
A facile synthesis of C-24 and C-25 oxysterols by in situ generated ethyl(trifluoromethyl)dioxirane
Shoujiro Ogawa, Genta Kakiyama, Akina Muto, Atsuko Hosoda, Kuniko Mitamura, Shigeo Ikegawa, Alan F. Hofmann, Takashi Iida
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

42 .     (20R)-24-bromochol-5-en-3¦Â-ol
C24H39BrO     ÏàËÆ¶È:62.5%
Bioorganic & Medicinal Chemistry          2012          20          4064-4081
Substrate analog studies of the ¦Ø-regiospecificity of Mycobacterium tuberculosis cholesterol metabolizing cytochrome P450 enzymes CYP124A1, CYP125A1 and CYP142A1
Jonathan B. Johnston, Arti A. Singh, Anaelle A. Clary, Chiung-Kuan Chen, Patricia Y. Hayes, Sharon Chow, James J. De Voss, Paul R. Ortiz de Montellano
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

43 .     25-desmethylveramiline
    ÏàËÆ¶È:62.5%
Bioorganic & Medicinal Chemistry Letters          2011          21          3608-3612
Synthesis and biological evaluation of desmethylveramiline, a micromolar Hedgehog inhibitor
Guillaume Guerlet, Thomas Spangenberg, Andr¨¦ Mann, H¨¦l¨¨ne Faure, Martial Ruat
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

44 .     (3¦Á,8¦Á,9¦Â,10¦Á,13¦Á,14¦Â,17¦Á,20S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]chol-5-en-24-ol
    ÏàËÆ¶È:61.5%
Steroids          2006          71          484-488
Synthesis of ent-25-hydroxycholesterol
Emily J. Westover, Douglas F. Covey
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

45 .     sitosterol
C29H50O     ÏàËÆ¶È:61.5%
Phytochemistry          1987          26          753-754
Iridoid glycosides from Penstemon richardsonii
Birgit Gering,Peter Junior,Max Wichtl
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

46 .     ¶¹çÞ-5,22-¶þÏ©-3¦Â-´¼
    ÏàËÆ¶È:61.5%
Chinese Traditional and Herbal Drugs          2007          38          650-652
Chemical constituents of Xuezhikang Capsula
MA Xue-min; GUO Shu-ren; DUAN Zhen-wen; WANG Xiang-yun
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

47 .     (5'R,20S)-20-(3-isopropyl-4,5-dihydroisoxazol-5-yl)pregn-5-en-3¦Â-ol
    ÏàËÆ¶È:61.5%
Russian Journal of Organic Chemistry          2002          38          355-360
Modification of A and B Rings in 20-Dihydroisoxazolyl Steroids and Their Derivatives with a Functionalized Side Chain
R. P. Litvinovskaya, N. V. Koval' and V. A. Khripach
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

48 .     (22R)-3¦Â,22-dihydroxycholest-5-en-24-one
    ÏàËÆ¶È:61.5%
Russian Journal of Organic Chemistry          2002          38          355-360
Modification of A and B Rings in 20-Dihydroisoxazolyl Steroids and Their Derivatives with a Functionalized Side Chain
R. P. Litvinovskaya, N. V. Koval' and V. A. Khripach
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

49 .     2-(Trimethylsilyl)ethyl3¦Â-hydroxyandrost-5-ene-17¦Â-carboxylate
C25H42O3Si     ÏàËÆ¶È:60.8%
Steroids          2005          70          615-625
Etienic etienate as synthon for the synthesis of steroid oligoester gelators
Pavel Drašar, Miloš Bud¨§š¨ªnský, Miroslav Reschel, Vladim¨ªr Pouzar, Ivan Černý
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

50 .     [17(20)E]-3¦Â-hydroxypregna-5,17(20)-dien-21-oyl-N-(2-hydroxyethyl)-amide
C23H35NO3     ÏàËÆ¶È:60.8%
Bioorganic & Medicinal Chemistry Letters          2010          20          5495-5498
[17(20)E]- and [17(20)Z]-pregna-5,17(20)-dien-21-oylamides. Facile synthesis and primary evaluation for cancer cells proliferation
Sergey V. Stulov, Maria G. Zavialova, Arif R. Mehtiev, Roman A. Novikov, Yaroslav V. Tkachev, Vladimir P. Timofeev, Alexander Yu Misharin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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51 .     1 7¦Â-[(t-Butyldimethylsilyl)oxy]-3¦Á-heptafluoropropylandrost-5-en-3¦Â-ol
C28H43O2F7Si     ÏàËÆ¶È:60.8%
Steroids          1996          61          50-57
The syntheses of 3-substituted perfluoroalkyl steroids
John R. Williams, Timothy J. Shea
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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52 .     [17(20)E]-3¦Â-Hydroxy-N-(2-hydroxyethyl)pregna-5,17(20)-dien-21-amide
C23H35NO3     ÏàËÆ¶È:60.8%
Steroids          2012          77          77-84
Synthesis of 21-nitrogen substituted pregna-5,17(20)-dienes from pregnenolone
Sergey V. Stulov, Yaroslav V. Tkachev, Roman A. Novikov, Maria G. Zavialova, Vladimir P. Timofeev, Alexander Yu. Misharin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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