16.7,16.9,17.6,17.6,18.7,20.6,21.3,23.7,27.4,27.7,28.2,29.0,31.0,33.0,34.1,37.0,38.2,39.0,39.4,41.1,43.8,45.3,55.1,59.1,61.6,130.5,165.2,171.2,199.9

大于80%的

查询结果：共查到9个化合物(查询结果仅供参考)
--------------------------------------------------------------------------------

1 . 3β-acetoxy-urs-12-ene-ll-one
相似度:90.6%
Journal of Asian Natural Products Research 2000 2 81-86
A New Triterpenoid from Stelmatocrypton khasianum
QING-YING ZHANG, YU-YING ZHAO, TIE-MING CHENG,YU-XIN CUI and XUE-HUI LIU
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

2 . 3β-acetoxy-12-ursen-11-one
相似度:90.6%
China Journal of Chinese Materia Medica 2008 33 905-908
Studies on chemical constituents from whole plants of Crossostephium chinense
YANG Xiuwei, ZOU Lei, WU Qi, FU Dexian
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

3 . 3β-乙酰基-12-烯-11-酮
C32H50O3 相似度:87.5%
Chinese Traditional and Herbal Drugs 2009 40 708-710
黑骨藤化学成分的研究
甘秀海;周欣;赵超;龚小见;陈华国;
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

4 . 3,11-dioxo-ursan-12-ene
C30H46O2 相似度:86.2%
Phytochemistry 1990 29 1691-1693
Terpenoids from Salvia mellifera
Antonio G. Gonzalez,Lucia S. Andres,Angel G. Ravelo,Javier G. Luis,Isabel L. Bazzocchi,Jan West
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

5 . 11-oxo-α-amyrin acetate
相似度:84.3%
China Journal of Chinese Materia Medica 2006 31 1166-1168
Studies on constituents from root and stem of Ervatamia hainanensis
HUANG Jianpeng, MA Yangmin, JIANG Jianshuang, ZHANG Peicheng
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

6 . 11-oxo-α-amyrin acetate
C32H50O3 相似度:84.3%
Chinese Journal of Natural Medicines 2008 6 271-274
Chemical Constituents from the Roots and Stems of Ervatamia hainanensis
JIN Li; LU Jia; JIN Yong-Sheng; YANG Xiang-Nan; CHEN Hai-Sheng
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

7 . 3β-acetoxy-20-taraxasten-22-one
相似度:81.2%
Natural Product Research 2009 23 1218-1230
Chemical composition of the stem bark and leaves of Ficus pandurata Hance
M. A. Ramadan; A. S. Ahmad; A. M. Nafady; A. I. Mansour
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

8 . krukovine B
C30H46O3 相似度:80%
Journal of Natural Products 1997 60 1174-1177
Partial Synthesis of Krukovines A and B, Triterpene Ketones Isolated from the Brazilian Medicinal Plant Maytenus krukovii
Tadashi Honda, Heather J. Finlay, and Gordon W. Gribble
Structure 13C NMR 碳谱模拟图
--------------------------------------------------------------------------------

9 . Glycyrrhetinic acid
相似度:80%
Tetrahedron Letters 2005 46 2337-2340
Novel biotransformation of pentacyclic triterpenoid acids by Nocardia sp. NRRL 5646
Jian Zhang, Zhi-Hong Cheng, Bo-Yang Yu, Geoffrey A. Cordell, Samuel X. Qiu
Structure 13C NMR 碳谱模拟图

17.6应该没输重吧 我是按现在你输的查的



查询结果：共查到9136个化合物(查询结果仅供参考)
--------------------------------------------------------------------------------





1 . 3β-acetoxy-urs-12-ene-ll-one
相似度:90.6%
Journal of Asian Natural Products Research 2000 2 81-86
A New Triterpenoid from Stelmatocrypton khasianum
QING-YING ZHANG, YU-YING ZHAO, TIE-MING CHENG,YU-XIN CUI and XUE-HUI LIU
Structure 13C NMR 碳谱模拟图

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




2 . 3β-acetoxy-12-ursen-11-one
相似度:90.6%
China Journal of Chinese Materia Medica 2008 33 905-908
Studies on chemical constituents from whole plants of Crossostephium chinense
YANG Xiuwei, ZOU Lei, WU Qi, FU Dexian
Structure 13C NMR 碳谱模拟图

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




3 . 3β-乙酰基-12-烯-11-酮
C32H50O3 相似度:87.5%
Chinese Traditional and Herbal Drugs 2009 40 708-710
黑骨藤化学成分的研究
甘秀海;周欣;赵超;龚小见;陈华国;
Structure 13C NMR 碳谱模拟图  6    1 2 3 4 5 6 下一页 尾页