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1 .     betulin
     ÏàËÆ¶È:96.5%
Chinese Pharmaceutical Journal          2005          40          1695-1696
Studies on constituents of Dracocephalum rupestra
REN Dong-mei, LOU Hong-xiang, JI Mei
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


2 .     Betulin
C30H50O2     ÏàËÆ¶È:96.5%
Molecules          2012          17          6156-6169
Chemical Constituents of the Ethyl Acetate Extract of Belamcanda chinensis (L.) DC Roots and Their Antitumor Activities
Mingchuan Liu, Shengjie Yang, Linhong Jin, Deyu Hu, Zhibing Wu and Song Yang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


3 .     betulin
C30H50O2     ÏàËÆ¶È:96.5%
Molecules          2013          18          1325-1336
Chemical Constituents of Caesalpinia decapetala (Roth) Alston
Xiao-Hua Wei, Sheng-Jie Yang, Na Liang, De-Yu Hu, Lin-Hong Jin, Wei Xue and Song Yang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


4 .     betulin
     ÏàËÆ¶È:96.5%
Chemistry Central Journal          2013          7          24
Discovery and antitumor activities of constituentsfrom Cyrtomium fortumei (J.) Smith rhizomes
Shengjie Yang, Mingchuan Liu, Na Liang, Qi Zhao, Yuping Zhang, Wei Xue, and Song Yang,
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


5 .     betulin
     ÏàËÆ¶È:96.5%
Journal of Chinese Medicinal Materials          2013          36          230-232
Study on Chemical Constituents of Petroleum Ether Portion from Seed of Picria felterrae
QIU Qin, CEN Fei-fei, ZHEN Han-shen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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6 .     betulin
     ÏàËÆ¶È:93.3%
Phytochemistry          2004          65          701-710
Investigation of the importance of the C-2 oxygen function in the transformation of stemodin analogues by Rhizopus oryzae ATCC 11145
Glenroy D.A. Martin, William F. Reynolds, Paul B. Reese
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


7 .     betulin
     ÏàËÆ¶È:93.3%
Chemical & Pharmaceutical Bulletin          1995          43          1937-1942
Chemical Evaluation of Betula Species in Japan. I.Constituents of Betula ermanii
Hiroyuki FUCHINO,Tetsuya SATOH and Nobutoshi TANAKA
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


8 .     betulin
     ÏàËÆ¶È:93.3%
Chemical & Pharmaceutical Bulletin          1980          28          1006-1008
13C Nuclear Magnetic Resonance of Lupane-Type Triterpenes, Lupeol, Betulin and Betulinic Acid
MOCHAMMAD SHOLICHIN,KAZUO YAMASAKI,RYOJI KASAI and OSAMU TANAKA
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


9 .     betulin
     ÏàËÆ¶È:93.3%
Chemical & Pharmaceutical Bulletin          1984          32          1244-1247
A NEW GLYCOSYL ESTER OF A 3, 4-SECO-TRITERPENE FROM KOREAN MEDICINAL PLANT, ACANTHOPANAX CHIISANENSIS (ARALIACEAE)
DugRyong Hahn,Ryoji Kasai,JeungHee Kim,Shigenori Taniyasu and Osamu Tanaka
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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10 .     3,28-dihydroxyl-lupeol
     ÏàËÆ¶È:93.3%
China Journal of Chinese Materia Medica          2008          33          272-275
Study on triterpenes from of Ligularia xanthotricha
XUE Huiqing, YANG Hongpeng, WANG Hanqing, XIN Xuelei, WU Shuixian
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


11 .     Betulin
     ÏàËÆ¶È:93.3%
Journal of Natural Products          1988          Vol 51          217
Betulin-3-Caffeate from Quercus suber, 13C-nmr Spectra of Some Lupenes
Amarendra Patra, Swapan K. Chaudhuri, Samir K. Panda
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


12 .     betulin
     ÏàËÆ¶È:93.3%
Journal of Natural Products          1988          Vol 51          229
Oleanderol, a New Pentacyclic Triterpene from the Leaves of Nerium oleander
Salimuzzaman Siddiqui, Farrukh Hafeez, Sabira Begum, Bina S. Siddiqui
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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13 .     3¦Â,28-dihydroxylup-20(29)-ene
C30H50O2     ÏàËÆ¶È:93.3%
Journal of Natural Products          1992          Vol 55          395
Lupane Triterpenoids of Salacia cordata
Winston F. Tinto, Lynn C. Blair, Azzam Alli, William F. Reynolds, Stewart McLean
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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14 .     betulin
C30H50O2     ÏàËÆ¶È:93.3%
Natural Product Sciences          2008          14          1-11
Peroxynitrite scavengers from Phellinus linteus
Jeong, Da-Mi; Jung, Hyun-Ah; Kang, Hye-Sook; Choi, Jae-Sue
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


15 .     Betulin
     ÏàËÆ¶È:93.3%
Phytochemistry          1996          42          789-794
20, 29-Epoxysalacianone and 6¦Â-hydroxysalacianone, two lupane triterepenes from Salacia beddomei
A. Hisham, G. Jaya Kumar, Y. Fujimoto, N. Hara
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


16 .     Betulin
     ÏàËÆ¶È:93.3%
Chemistry of Natural Compounds          2011          Vol. 47, No. 4          583-586
SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF BETULIN ESTERS
K.-T. Chue, M.-S. Chang, and L. N. Ten
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


17 .     betulin
     ÏàËÆ¶È:93.3%
Journal of Asian Natural products Research          2010          12          576-581
Three new lupane-type triterpenes from Ceriops tagal
Xia-Chang Wang; Xiao-Wei Ouyang; Li-Hong Hu
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


18 .     betulin
C30H50O2     ÏàËÆ¶È:93.3%
Chinese Traditional and Herbal Drugs          2009          40          697-701
èßÁø¿¹Ö×ÁöÝÆÀà³É·ÖÑо¿
Íõ±ó;½ªµÇîÈ;Àî¹úÇ¿;¹Ü»ªÊ«
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


19 .     betulin
     ÏàËÆ¶È:93.3%
Chinese Traditional and Herbal Drugs          2006          37          168-171
A novel lupane triterpene from seeds of Ziziphus jujuba var.spinosa

Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------


20 .     betullin
     ÏàËÆ¶È:93.3%
Chinese Traditional and Herbal Drugs          1998          29          655-657
Studies on Triterpenoids from Common Fenugreek(Trigonella foenum-graecum)
Shang Mingying; Tezuka Y; Cai Shaoqing; et al. (Department of Pharmacognosy; Beijing University of Medical Sciences; Beijing );
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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