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libinoook木虫 (正式写手)
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[求助]
求助微谱数据2
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| 13C NMR (126 MHz, MeOD) δ 16.27, 70.52, 70.63, 70.72, 71.79, 93.43, 98.53, 102.09, 115.13, 121.22, 130.50, 134.78, 154.04, 157.14, 160.17, 178.17. |
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danil1288
金虫 (正式写手)
- 应助: 96 (初中生)
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【答案】应助回帖
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感谢参与,应助指数 +1
jiangchunyong: 金币+15, 谢谢 2013-08-23 20:53:32
libinoook: 金币+15, ★★★很有帮助 2013-08-24 08:32:59
感谢参与,应助指数 +1
jiangchunyong: 金币+15, 谢谢 2013-08-23 20:53:32
libinoook: 金币+15, ★★★很有帮助 2013-08-24 08:32:59
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???????????鵽432????????(???????????ο?) 1 . kaempferol-3-O-??-L-rhamnoside ?????:73.6% China Journal of Chinese Materia Medica 2007 32 692-694 Studies on flavonoids from stems and leaves of Calophyllum inophyllum LI Yanzhi, LI Zhanlin, HUA Huiming, LI Zhenggang, LIU Mingsheng Structure 13C NMR ??????? 2 . afzelin ?????:73.6% China Journal of Chinese Materia Medica 2001 26 479-481 Studies on the Chemical Constituents from Myristica Yunnanensis Y. H. Li LI Jianbei, DING Yi Structure 13C NMR ??????? 3 . ????-3-O-??-L-???????? ?????:73.6% Chinese Traditional and Herbal Drugs 2010 41 1616-1618 ?????????????о? ????;??;?????;????;???;?????? Structure 13C NMR ??????? 4 . afzelin ?????:73.6% Chinese Journal of Natural Medicines 2009 7 428-431 Chemical Constituents from the Leaves of Lophatherum gracile ZHANG Jing; WANG Ying; ZHANG Xiao-Qi; ZHANG Qing-Wen; YE Wen-Cai Structure 13C NMR ??????? 5 . afzelin ?????:73.6% Archives of Pharmacal Research 2008 31 424-428 Anti-oxidative and inhibitory activities on nitric oxide (NO) and prostaglandin E2 (COX-2) production of flavonoids from seeds of Prunus tomentosa Thunberg Sung Kyu Kim, Hyun Jung Kim, Sun Eun Choi, Kwan Hee Park and Hyung Kyun Choi, et al. Structure 13C NMR ??????? 6 . kaempferol-3-O-??-L-rhamnopyranoside ?????:73.6% Chinese Pharmaceutical Journal 2010 45 104-107 Studies on Flavonoids of Artemisia anomala S.Moore ZHANG Lin, LI Bao-guo, TIAN Fu-rao, ZHOU Wen-ming, ZHENG Xiao-xiang, TIAN Jing-kui Structure 13C NMR ??????? 7 . kaempferol-3-O-??-L-rhamnopyranoside C21H20O10 ?????:73.6% Chinese Journal of Medicinal Chemistry 2008 18 284-287 Chemical constituents from Drynaria f ortunei GAO Ying, WANG Xin-luan, WANG Nai-li, YAO Xin-sheng Structure 13C NMR ??????? 8 . kaempferol-3-O-??-L-rhamnopyranoside ?????:73.6% Chinese Traditional and Herbal Drugs 2013 44 24-30 Chemical constituents in aerial parts of Polygonum capitatum WANG Hong-ping, CAO Fang, YANG Xiu-wei Structure 13C NMR ??????? 9 . kaempferol-3-O-??-L-rhamnopyranoside ?????:73.6% Chinese Traditional and Herbal Drugs 2011 42 230-233 Chemical constituents of Limonium sinense LIU Xing-kuan Structure 13C NMR ??????? 10 . kaempferol-3-O-??-L-rhamnopyranoside ?????:73.6% Chinese Journal of Medicinal Chemistry 2012 22 44-46 Chemical constituents of Filipendula palmate(Pall) Maxim(??) YANG Jin-zhu; YANG Xiao-hong; CHEN Di; LI Wen-li; LIU Yin-yan Structure 13C NMR ??????? 11 . afzelin ?????:73.6% Chinese Traditional and Herbal Drugs 2012 43 1704-1707 Chemical constituents from rhizomes of Bergenia scopulosa (??) CUI Ying Structure 13C NMR ??????? 12 . ????-3-O-??-???????? ?????:73.6% China Journal of Chinese Materia Medica 2012 37 1782-1787 Phenolic components from Petasites tricholobus ZHANG Yong; GUO Fujiang; ZENG Peng; JIA Qi; LI Yiming; ZHU Weiliang; CHEN Kaixian Structure 13C NMR ??????? 13 . kaempferol-3-O-??-L-rhamnoside C21H20O10 ?????:73.6% Natural Product Research and Development 2012 24 1060-1062 Isolation and Identification of Flavonoids from Buds of Panax notoginseng HUANG Jian; WANG Hong; YANG Xiao-fan; XIAO Chao-ping Structure 13C NMR ??????? 14 . ???????? ?????:73.6% Chinese Traditional and Herbal Drugs 2011 42 1498-1501 Chemical constituents from Viola diamantiaca CUI, Ying Structure 13C NMR ??????? 15 . ????3-O-??-L-??????????? C21H20O10 ?????:73.6% China Journal of Chinese Materia Medica 2011 36 2353-2357 Flavonoid glycosides from Androsace umbellata LEI, Jun, XIAO, Yunchuan, WANG, Wenjing, XI, Zhen, YU, Min, HUANG, Jing Structure 13C NMR ??????? 16 . Afzelin ?????:71.4% Archives of Pharmacal Research 2008 31 10-16 Phytochemical investigation of Tiarella polyphylla Guanghai Shen, Sei-Ryang Oh, Byung-Sun Min, Joongku Lee and Kyung Seop Ahn, et al. Structure 13C NMR ??????? 17 . kaempferol-3-O-rhamnopyranoside ?????:71.4% Zeitschrift f??r Naturforschung C 2007 62 656-660 Evaluation of Cytotoxic Compounds from Calligonum comosum L. Growing in Egypt F. A. Badria, M. Ameen, and M. R. Akl Structure 13C NMR ??????? 18 . afzelin; kaempherol 3-O-??-rhamnoside ?????:71.4% Chemistry & Biodiversity 2012 9 2096-2158 Flavonoids in Subtribe Centaureinae (Cass.) Dumort. (Tribe Cardueae, Asteraceae): Distribution and 13C-NMR Spectral Data Carmen Formisano, Daniela Rigano, Felice Senatore, Svetlana Bancheva, Antonella Maggio, Sergio Rosselli and Maurizio Bruno Structure 13C NMR ??????? 19 . kaempferol-3-O-??-L-rhamnopyranoside ?????:71.4% Revista Latinoamericana de Qu??mica 2010 38 153-158 Flavonoids from Albizia chinensis of Egypt Neveen S. Ghaly and F. R. Melek, Nayera A.M. Abdelwahed Structure 13C NMR ??????? 20 . ???????-3-O-??-L-??????????? ?????:70% Chinese Traditional and Herbal Drugs 2009 40 366-368 ???????л??????????о? ?????;??????;?????;???? Structure 13C NMR ??????? 21 . kaempferol-3-O-??-L-rhamnopyranoside ?????:68.4% Journal of Guangdong Phamaceutical University 2009 25 585-587 Studies on the chemical constituents from Rumex crispus L.(??) FAN Ji-ping, ZHANG Zhen-liang Structure 13C NMR ??????? 22 . afzelin ?????:68.4% Natural Product Sciences 2009 15 234-240 Phytochemical Constituents of Bistorta manshuriensis Chang, Sang-Wook; Kim, Ki-Hyun; Lee, Il-Kyun; Choi, Sang-Un; Ryu, Shi-Yong; Lee, Kang-Ro Structure 13C NMR ??????? 23 . kaempferol-3-O-??-L-rhamnoside ?????:66.6% Acta Botanica Yunnanica 2001 23(3) 394-396 Flavonoids from Cinnamomum zeylanicum MEI Wen-Li, QI Shu-Hua, WU Gao-Fen, CHEN Chang-Xiang Structure 13C NMR ??????? 24 . kaempferol-3-O-rhamnoside ?????:66.6% Chemical & Pharmaceutical Bulletin 1988 36 1180-1184 Chemical Studies on the COnstituents of Hyphear Tanakae HOSOKAWA from Different Host Trees TAKEHIKO FUKUNAGA,KOICHI NISHIYA,IKUKO KAJIKAWA,YOSHIKUNI WATANABE,NOBUO SUZUKI,KOICHI TAKEYA and HIDEJI ITOKAWA Structure 13C NMR ??????? 25 . compound II ?????:66.6% Acta Pharmaceutica Sinica 1992 27 397-400 ACUMINATIN FROM THE AERIAL PART OF EPIMEDIUM ACUMINATUM BH Hu; LD Zhou; YL Liu Structure 13C NMR ??????? 26 . Kaempferol 3-O-??-L-rhamnopyranoside ?????:66.6% Journal of Asian Natural Products Research 2005 7 13-18 PTP1B inhibitors from Ardisia japonica YAN-FANG LI, LI-HONG HU, FENG-CHANG LOU, JIA LI and QIANG SHEN Structure 13C NMR ??????? 27 . afzelin ?????:66.6% Natural Product Sciences 2001 7 23-26 Aromatic Acid and Flavonoids from the Leaves of Zanthoxylum piperitum Hur, Jong-Moon; Park, Jong-Cheol; Hwang, Young-Hee Structure 13C NMR ??????? 28 . afzelin ?????:66.6% Korean Journal of Pharmacognosy 2006 37(3) 177-183 Flavonoids from the Leaves of Rhododendron schlipenbachii Kim, Gi-Beom; Shin, Kwan-Seog; Kim, Chang-Min; Kwon, Yong-Soo Structure 13C NMR ??????? 29 . kaempferol-3-O-??-L-rhamnoside ?????:66.6% Chinese Traditional and Herbal Drugs 2009 40 859-862 ???????????о? ????;???;????;??? Structure 13C NMR ??????? 30 . ????-3-O-??-L-?????? ?????:66.6% Chinese Traditional and Herbal Drugs 2008 39 189-191 ?????????????5???????????????? ???;?????;????;????? Structure 13C NMR ??????? 31 . kaempferol-3-O-??-D-rhamnoside ?????:66.6% Chinese Traditional and Herbal Drugs 2006 37 341-343 ?????л??????????????????????? ?????;??????;??????;?????;?????? Structure 13C NMR ??????? 32 . kaempferol-3-O-??-L-rhamnoside ?????:66.6% Chinese Traditional and Herbal Drugs 2006 37 821-823 ?????е?????????????????? ???;??????;???? Structure 13C NMR ??????? 33 . afzelin C31H20O10 ?????:66.6% Chinese Traditional and Herbal Drugs 2006 37 1788-1789+1856 ??轾?????????о? ?μ??;Τ??;??????;????? Structure 13C NMR ??????? 34 . afzelin ?????:66.6% Archives of Pharmacal Research 1991 14 167-171 Flavonoids from the whole plants ofOrostachys japonicus Hee Juhn Park, Han Suk Young, Kun Young Park, Sook Hee Rhee and Hae Young Chung, et al. Structure 13C NMR ??????? 35 . Kaempferol 3-O-??-L-rhamnopyranoside ?????:66.6% Archives of Pharmacal Research 2004 27 44-47 Isolation of flavonol rhamnosides from loranthus tanakae and cytotoxic effect of them on human tumor cell lines Young-Kyoon Kim, Young Sup Kim, Sang Un Choi and Shi Yong Ryu Structure 13C NMR ??????? 36 . quercitrin ?????:66.6% Chinese Pharmaceutical Journal 2000 35 300-302 Studies on the chemical constituents of flavonoids from Polygonum capitatum Li Yongjun(Li YJ), Luo Hongfeng(Luo HF), Wang Yonglin(Wang YL), et al Structure 13C NMR ??????? 37 . kaempferol-3-O-??-L-rhamnoside ?????:66.6% Natural Product Research and Development 2004 16 391-394 CHEMICAL CONSTITUENTS FROM SAUSSUREA STELLA SHEN Jin; LIANG Jian; PENG Shu-lin; DING Li-sheng Structure 13C NMR ??????? 38 . afzelin ?????:66.6% Journal of the Chinese Chemical Society 1991 38 393-396 The Constituents of Cynanchum taiwanianum ???s??(Zong-Shiow Chen);????(Jeng-Shiow Lai);??????(Yueh-Hsiung Kuo) Structure 13C NMR ??????? 39 . afzelin C21H20O10 ?????:66.6% Food Chemistry 2013 136 969-974 Identification of flavonoids and flavonoid rhamnosides from Rhododendron mucronulatum for. albiflorum and their inhibitory activities against aldose reductase So-Youn Mok, Sanghyun Lee Structure 13C NMR ??????? 40 . afzelin C21H20O10 ?????:66.6% Chinese Traditional and Herbal Drugs 2013 44 260-264 Chemical constituents in fractions with vasoactive activity from leaves of Magnolia officinalis YANG Zhu-ya, WEI Ying-fang, ZHOU Zhi-hong, MA Xiao-xia Structure 13C NMR ??????? 41 . Kaempferol-3-O-??-L-rhamnopyranoside ?????:66.6% Journal of Medicinal Plants Research 2009 3 424-428 New acylated flavonol glycoside from Ceratonia siliqua L. seeds A. Gohar, S. R. Gedara and H. N. Baraka Structure 13C NMR ??????? 42 . ????-7-O-??-L-???????? ?????:66.6% Journal of Chinese Medicinal Materials 2005 28 1058-1059 Studies on Flavones in the Leaves of Cyclocarya paliums (Batal.) Iljinsk Li Jun, Lu Yuanyuan, Xu Zijing, Li Fu, Wen Guiqing, Su Xiaojian Structure 13C NMR ??????? 43 . ???????? ?????:66.6% Journal of Tropical and Subtropical Botany 2006 14 413-416 Phenolic Constituents from Ailanthus fordii Nooteboom MEI, Wen-l, i, DAI, Hao-f, u, WU, Da-gang Structure 13C NMR ??????? 44 . kaempferol-3-O-??-arabinopyranoside ?????:64.7% Phytotherapy Research 2007 21 32-36 Inhibition of angiotensin converting enzyme (ACE) by flavonoids isolated from Ailanthus excelsa (Roxb) (Simaroubaceae) Monica Rosa Loizzo, Ataa Said, Rosa Tundis, Khaled Rashed, Giancarlo Antonio Statti, Antje Hufner and Francesco Menichini Structure 13C NMR ??????? 45 . quercetin ?????:64.7% Lishizhen Medicine and Materia Medica Research 2012 23 3001-3003 Chemical Constituents of Wikstroemia indica. YI Wen-yan; LIU Ming; CHEN Min; LI Wei; LIN Chang; LIU Si-yao; ZHOU Ying Structure 13C NMR ??????? 46 . compound 5 ?????:63.1% Phytochemistry 1982 21 1466-1468 Rhamnustrioside, a flavonol triglycoside from Rhamnus nakaharai Chun-Nan Lin, Munehisa Arisawa, Mineo Shimizu, Naokata Morita Structure 13C NMR ??????? 47 . compound 5 ?????:63.1% Phytochemistry 1982 21 1466-1468 Rhamnustrioside, a flavonol triglycoside from Rhamnus nakaharai Chun-Nan Lin, Munehisa Arisawa, Mineo Shimizu, Naokata Morita Structure 13C NMR ??????? 48 . myricitrime ?????:63.1% Pharmaceutical Biology 2012 50(2) 225-231 Chemical compositions extracted from Wikstroemia indica and their multiple activities Chuan-Li Lu, Liang Zhu, Jin-Hua Piao, Jian-Guo Jiang Structure 13C NMR ??????? 49 . kaempferol-3-O-??-L-rhamnopyranoside ?????:63.1% Chinese Traditional and Herbal Drugs 2013 44 11-15 A new monoterpenoid isolated from flowers of Xanthoceras sorbifolia ZHAO Dan-dan, LI Dan-yi, HUA Hui-ming, LI Zhan-lin, Structure 13C NMR ??????? 50 . quercitin ?????:61.9% China Journal of Chinese Materia Medica 2006 31 817-819 Studies on the chemical constituents in stem rind of Wikstroemia indica GENG Lidong, ZHANG Cun, XIAO Yongqing Structure 13C NMR ??????? 51 . Quercitrin ?????:61.9% Natural Product Sciences 2009 15 12-16 Phytochemical Constituents from Metasequoia glyptostroboids Leaves Duan, Chao Hui; Lee, Jung-Noh; Lee, Chung-Mong; Lee, Ghang-Tai; Lee, Kun-Kook Structure 13C NMR ??????? 52 . quercetin-3-rhamnopyranoside ?????:61.9% Natural Product Sciences 2009 15 44-49 Phytochemical Constituents of Amomum xanthioides Choi, Jung-Wook; Kim, Ki-Hyun; Lee, Il-Kyun; Choi, Sang-Un; Lee, Kang-Ro Structure 13C NMR ??????? 53 . 8-Hydroxyluteolin 8-rhamnoside ?????:61.9% Phytochemistry 1996 41 941-943 Flavonoids and triterpene ester derivatives from Erythroxylum leal costae Juceni P. Ch??vez, Ihnamarck D. Dos Santos, Frederico G. Cruz, Jorge M. David Structure 13C NMR ??????? 54 . compound 5 ?????:61.9% Phytochemistry 1990 29 3311-3314 Flavonol glycosides from Epimedium wushanense Ye-Shi Li,Yong-Long Liu Structure 13C NMR ??????? 55 . quercetin-3-O-??-L-rhamnoside ?????:61.9% Chinese Traditional and Herbal Drugs 1994 25 398-400+446 Studies on the Chemical Constituents of Chinese Sealavender (Limonium sinense) Guo Hongzhu; Yuau Jiurong(Department of Chinese Materia Medica; shandong CollegeTraditional Chinese Medicine; Jinan); Structure 13C NMR ??????? 56 . ?????-3-O-???????? ?????:61.9% Modern Chinese Medicine 2008 10(12) 20-22 chemical Constituents From Tubers of Smilax China L. Xiong Yue, Guo Dean, Huang Huilian Structure 13C NMR ??????? 57 . quercetin-3-O-rhamnoside ?????:61.9% Natural Product Research and Development 2000 12(2) 45-48 THE CHEMICAL CONSTITUENTS OF OSBECKIA CRINITA Wang Bo; Wang Hao; Wen Yuanying; Hu Changxu Structure 13C NMR ??????? 58 . quercitrin ?????:61.9% Zeitschrift f??r Naturforschung C 2007 62 656-660 Evaluation of Cytotoxic Compounds from Calligonum comosum L. Growing in Egypt F. A. Badria, M. Ameen, and M. R. Akl Structure 13C NMR ??????? 59 . quercitrin C21H20O11 ?????:61.9% Asian Journal of Traditional Medicines 2010 5 219-225 Anthraquinone glucosides from aerial parts of Polygonum macrophyllum D. Don. Sushma Semwal , Rajni Kant Sharma, Amita Bamola, Girish Pundeer and Usha Rawat Structure 13C NMR ??????? 60 . compound 1 ?????:61.9% Korean Journal of Pharmacognosy 2012 43 101-106 Anti-hyperlipidemic Effect of the Isolated Component, Quercetin-3-O-rhamnoside and the Fractions from the Extract of Houttuynia Cordata in Mice Kim, Do-Kuk; Kim, Se-Gun; Poudel, Amrit; Jeong, Tae-Suk; Jung, Hyun-Ju Structure 13C NMR ??????? 61 . quercitrin ?????:61.9% Academic Journal of Second Military Medical University 2004 25 333-334 Studies on chemical constituents of Fructus Ligustri lucidi(??) ZHANG Xing Hui, SHI Li Fu Structure 13C NMR ??????? 62 . quercetin-3-O-??-L-rhamnopyranoside ?????:61.9% Revista Latinoamericana de Qu??mica 2010 38 153-158 Flavonoids from Albizia chinensis of Egypt Neveen S. Ghaly and F. R. Melek, Nayera A.M. Abdelwahed Structure 13C NMR ??????? 63 . ?????-3-O-??-L-??????????? ?????:61.9% Chinese Traditional and Herbal Drugs 2011 42 450-453 Chemical constituents of Equisetum ramosissimum YU Hong-wei, YAN Ming-ming, YANG Zhi, FU Ying-chao, YU Lei, ZHAN Yue, WAN Zhi-qiang Structure 13C NMR ??????? 64 . Quercetin-3-O-??-L-rhamnopyranoside C21H20O11 ?????:61.9% Lishizhen Medicine and Materia Medica Research 2011 22 2868-2870 The Chemical Constituents of N-butanol Fraction from the Seed Cake of Camellia Oleifera Abel MA Li-yuan; LI Lin; TANG Ling; CHEN Yue-long; FENG Bao-min; SHI Li-ying; WANG Yong-qi Structure 13C NMR ??????? 65 . quercitrin ?????:61.9% Chinese Traditional and Herbal Drugs 2012 43 2337-2341 Chemical constituents of Acanthopanax senticosus GONG Jing-ru; WANG Shu-fang Structure 13C NMR ??????? 66 . ?????-3-O-??-L-???????? ?????:61.9% China Journal of Chinese Materia Medica 2012 37 3422-3425 Chemical constituents of Ardisia punctata MA Chang-fu; LUO Ming; LIN Li-mei; LI Chun; WANG Zhi-min; CHENG Yi-yu Structure 13C NMR ??????? 67 . Quercetin-3-O-??-L-rhamnopyranoside ?????:61.9% Journal of Medicinal Plants Research 2009 3 424-428 New acylated flavonol glycoside from Ceratonia siliqua L. seeds A. Gohar, S. R. Gedara and H. N. Baraka Structure 13C NMR ??????? 68 . Kaempferol 3-O-??-D-galactopyranoside ?????:61.1% Phytochemistry 2000 54 539-548 The phenols and prodelphinidins of white clover flowers L.Y. Foo, Y. Lua, A.L. Molan, D.R. Woodfield, W.C. McNabb Structure 13C NMR ??????? 69 . juglalin ?????:61.1% Natural Product Sciences 2009 15 151-155 Phytochemical Constituents of Geranium eriostemon Chang, Sang-Wook; Kim, Ki-Hyun; Lee, Il-Kyun; Choi, Sang-Un; Lee, Kang-Ro Structure 13C NMR ??????? 70 . kaempferol-7-O-??-L-rhamnopyranoside ?????:61.1% Korean Journal of Pharmacognosy 2007 38(1) 31-36 Antioxidant Activities of Flavonoids from the Leaves of Smilax china Linne Cha, Bae-Cheon; Lee, Eun-Hee Structure 13C NMR ??????? 71 . ????? 3-O-??-L-???????????? ?????:61.1% Journal of Shenyang Pharmaceutical University 2000 17 263-266 A Study on the Chemical Constituents of Quercus engleriana Seem. Zhou Yingjun, Xu Suixu, Sun Qishi, Zhang Peicheng, Wu Lijun Structure 13C NMR ??????? 72 . kaempferol-3-O-??-D-arabinpyranoside ?????:61.1% Journal of Chinese Medicinal Materials 2011 34 386-388 Study on the Chemical Constituents from Melicope ptelefolia XIE Yu-feng, LIANG Yue, DU Qing-tao, GUO Li-bing Structure 13C NMR ??????? 73 . kaempferol-3-O-??-L-arabinopyranoside ?????:60% China Journal of Chinese Materia Medica 2010 35 610-612 Glycosides from Periploca forrestii ZHOU Xin*; GANG Xiuhai; GONG Xiaojian; ZHAO Chao; CHEN Huaguo Structure 13C NMR ??????? 74 . rhamnocitrin-3-O-??-D-galactopyranoside ?????:60% Natural Product Research and Development 2012 24 780-783 Constituents from Heartwood of Streblus asper and Their Antibacterial Activity HUANG Ji-guo; LI Jun; WU Qiang; YANG Rui-Yun; LI Shan; CHEN Zi-zhan; LI Lu-qing Structure 13C NMR ??????? 75 . kaempferol-3-O-??-L-rhamopyranoside ?????:58.8% Chinese Pharmaceutical Journal 2013 48 22-24 Chemical Constituents of Toona Sinensis leaves SHEN Yu-ping, ZHONG Xiong-xiong, YU Xiao-jie, ZHOU Cun-han, YANG Huan, JIA Xiao-bin, Structure 13C NMR ??????? 76 . myricitrin (myricetin-3-O-??-L-rhamnopyranoside) ?????:57.8% China Journal of Chinese Materia Medica 2006 31 397-400 Studies on antiviral constutuents in stems and leaves of Pithecellibium clypearia LI Yaolan, LI Keming, SU Miaoxian, LEUNG Kantong, CHENG Yuwu, ZHANG Yongwen Structure 13C NMR ??????? 77 . astragalin ?????:57.8% China Journal of Chinese Materia Medica 1997 22 38-39 Study on Flavonoids of Cuscuta australis R. Br. Guo Hongzhu and Li Jiashi Structure 13C NMR ??????? |

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