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1 .     2¦Á,3¦Á,23-trihydroxyurs-12-en-28-oic acid
    ÏàËÆ¶È:90%
Phytochemistry          1992          31          2801-2804
Triterpenoids from the fruit galls of Actinidia polygama
Yutaka Sashida, Kazunori Ogawa, Noriaki Mori, Tsuyoshi Yamanouchi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

2 .     2¦Á,3¦Á,23-ÈýôÇ»ù-12-Ï©-28-ÎÚËÕËá
C30H48O5     ÏàËÆ¶È:90%
Chinese Traditional and Herbal Drugs          2009          40          1549-1551
ÇåÃ÷»¨Ö¦Ò¶»¯Ñ§³É·ÖµÄÑо¿
ÍõÅà;ËÎÆôʾ;Ðìε;ÀîÉÐÕæ
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

3 .     2¦Á,23-dihydroxyursolic acid
C30H48O5     ÏàËÆ¶È:90%
Acta Botanica Yunnanica          2010          32          455-462
A New Lignan from Elaeagnus lanceolata (Elaeagnaceae)
SONG We i-Wu, LIBo, LIU Ji-Kai
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

4 .     2¦Á,3¦Á,23-trihydroxyurs-12-en-28-oic acid
C30H48O5     ÏàËÆ¶È:90%
Journal of Shenyang Pharmaceutical University          2010          27          715-718
Simultaneous determ ination of the content of three sulfides in Allium tuberosum by GC
XU Chao, TAN Liang, CHEN Xiao-hui, BI Kai-shun, JIA Ying
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

5 .     2¦Á,3¦Á,23-trihydroxy-urs-12-en-28-oic acid
C30H48O5     ÏàËÆ¶È:89.6%
Natural Product Sciences          1997          3          75-78
Tectona grandis Callus Produces Antibacterial Triterpene Acids Not Detected in the Intact Plant
Marwani, Erly; Kobayashi, Akio; Kajiyama, Shin-ichiro; Fukusaki, Eiichiro; Nitoda, Teruhiko; Kanzaki, Hiroshi; Kawazu, Kazuyoshi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

6 .     2¦Á,3¦Á,23-trihydroxy-urs-12-en-28-oic acid
C30H48O5     ÏàËÆ¶È:86.6%
China Journal of Chinese Materia Medica          2005          30          1926-1932
Studies on triterpenoid constituents from Rabdosia japonica var. galaucocalyx
Wang Fudong, DING Lan, WANG Hanqing
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

7 .     compound 229
    ÏàËÆ¶È:86.6%
Phytochemistry          1994          37          1517-1575
13C NMR Spectra of pentacyclic triterpenoids¡ªa compilation and some salient features
Shashi B. Mahato, Asish P. Kundu
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

8 .     2¦Á,3¦Á,23-trihydroxylurs-12-en-28-oic acid
    ÏàËÆ¶È:86.6%
Chinese Journal of Natural Medicines          2009          7          421-424
Triterpenes from Prunella vulgaris
QI Jin; HU Zheng-Fang; LIU Zhi-Jun; YU Bo-Yang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

9 .     2¦Á,3¦Á,23-trihydroxyurs-12-en-28-oic acid
    ÏàËÆ¶È:86.6%
Chinese Pharmaceutical Journal          2011          46          504-506
Study on Triterpenoid Constituents in the Leaves of Paulownia fortunei
ZHANG De-li, LI Xiao-qiang, LI Chong
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

10 .     2¦Á,3¦Á,23-trihydroxyursa-12-en-28-oic acid
    ÏàËÆ¶È:86.6%
Natural Product Research and Development          2000          12(3)          38-41
CHEMICAL CONSTITUENTS FROM CLEMATOCLETHRA SCANDENS
Zhang Xiaorong; Ding Lisheng; Peng Shulin; Wang Mingkui
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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