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nkbeholder
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xiaodu2007693(½ð±Ò+2):ллÌṩ 2010-06-02 21:40:44
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xiaodu2007693(½ð±Ò+2):ллÌṩ 2010-06-02 21:40:44
![]() http://www.yipengchem.com/de/17388-39-5.htm ÖÐÎÄÃû³Æ: 5-ÒÒÏ©»ù-6-(¦Â-D-ßÁà«ÆÏÌÇÑõ»ù)-4,4¦Á,5,6-ËÄÇâ-4¦Á-ôÇ»ù-1H,3H-ßÁ૲¢[3,4-C]ßÁà«-1-ͪ [ Last edited by nkbeholder on 2010-6-2 at 15:07 ] |
2Â¥2010-06-02 15:06:05
tomuncle
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½á¹¹Ê½Í¬ÉÏ£¬Àí»¯²ÎÊýÈçÏ Chapman Hall Number: JHV18-B CAS Registry Number: 17388-39-5 Type of Compound Code(s): VS0440 Molecular Formula: C16H22O10 Molecular Weight: 374.344 Accurate Mass: 374.1213 Percentage Composition: C 51.34%; H 5.92%; O 42.74% Biological Source: Constit. of Swertia japonica, Anthocleista procera and Ericostemma litorale Physical Description: Cryst. (EtOH/CHCl3/Et2O) Melting Point: Mp 110-112 Optical Rotation: []D 127 Solubility: BERDY SOL: Sol. H2O; poorly sol. hexane |
3Â¥2010-06-02 15:37:02













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