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gxh200719

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gxh200719

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最好有NMR数据
2楼2008-04-13 21:34:15
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hobbyzhang

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gxh200719(金币+5,VIP+0):先谢谢!
C32 H50 O3
CA Index Name:         Urs-12-en-11-one, 3-(acetyloxy)-, (3b)-
Other Names:         Urs-12-en-11-one, 3b-hydroxy-, acetate (6CI,7CI,8CI); 11-Oxo-a-amyrin acetate; 11-Oxours-12-en-3b-yl acetate; 11-keto-a-Amyrin acetate; 3b-Acetoxyurs-12-en-11-one; Neoilexonol acetate


Zhang, Qing-Ying; Zhao, Yu-Ying; Cheng, Tie-Ming; Cui, Yu-Xin; Liu, Xue-Hui.  A new triterpenoid from Stelmacrypton khasianum.    Journal of Asian Natural Products Research  (2000),  2(2),  81-86.  CODEN: JANRFI  ISSN:1028-6020.  CAN 133:101980  AN 2000:308852    CAPLUS

Kuo, Yueh-Hsiung; Li, Yen-Cheng.  Constituents of the bark of Ficus microcarpa L.f.    Journal of the Chinese Chemical Society (Taipei)  (1997),  44(3),  321-325.  CODEN: JCCTAC  ISSN:0009-4536.  CAN 127:231875  AN 1997:508060    CAPLUS

Madhusudanan, K. P.; Singh, Chandan; Singh, R. K.  Chemical ionization mass spectrometry using ammonia as reagent gas:  mass spectra of pentacyclic triterpenes.    Indian Journal of Chemistry, Section B:  Organic Chemistry Including Medicinal Chemistry  (1983),  22B(4),  370-3.  CODEN: IJSBDB  ISSN:0376-4699.  CAN 99:122689  AN 1983:522689    CAPLUS

Madhusudanan, K. P.; Singh, Chandan.  Negative ion mass spectra of pentacyclic triterpenoids.    Indian Journal of Chemistry, Section B:  Organic Chemistry Including Medicinal Chemistry  (1982),  21B(7),  675-7.  CODEN: IJSBDB  ISSN:0376-4699.  CAN 98:89696  AN 1983:89696    CAPLUS

Wahlberg, Inger; Karlsson, Kerstin; Enzell, Curt R.  Mass spectral fragmentation reaction characteristic of 11-oxo-a-amyrin and 11-oxo-b-amyrin derivatives.    Acta Chemica Scandinavica (1947-1973)  (1971),  25(8),  3192-3.  CODEN: ACSAA4  ISSN:0001-5393.  CAN 76:59861  AN 1972:59861    CAPLUS
如果我儿子长大当军人,我会告诉他,做为军人,不仅要服从命令,还要服从真理和正义,生你的是父母,养你的是百姓,所以你所做的,必须对人民有利,永远记住,.
3楼2008-04-14 01:34:11
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gxh200719

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可把这些文献传过来吗?再加10金币!谢谢!
4楼2008-04-14 08:05:21
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