英文别名：
Betulonicacidmethylester;DTXSID50302662;methyl 3-oxolup-20(29)-en-28-oate;NSC152535;methyl 5a,5b,8,8,11a-pentamethyl-9-oxo-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1H-cyclopenta[a]chrysene-3a-carboxylate;AKOS000589030;NSC-152535;Oprea1_601951;AKOS024286292;4356-31-4;
Inchi：
1S/C31H48O3/c1-19(2)20-11-16-31(26(33)34-8)18-17-29(6)21(25(20)31)9-10-23-28(5)14-13-24(32)27(3,4)22(28)12-15-30(23,29)7/h20-23,25H,1,9-18H2,2-8H3
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![(9ci)-7,7-二甲基-3-亚甲基-2-氧代-双环[2.2.1]庚烷-1-羧酸甲酯](http://hg.y866.cn/compound/lib/scimg/cas/150/791067-25-9.png "(9ci)-7,7-二甲基-3-亚甲基-2-氧代-双环[2.2.1]庚烷-1-羧酸甲酯")
