| | methyl 2-[(1S,3aS,3bR,9aR,9bS,11aS)-5'-methoxy-5',11a-dimethyl-7-oxo-2,3,3a,3b,4,5,7,8,9,9a,9b,10,11,11a-tetradecahydrospiro[cyclopenta[a]phenanthrene-1,2'-[1,4]dioxolan]-3'-ylidene]acetate CAS:1370003-76-1 CM765992 COC(=O)\C=C1\OC(C)(OC)O[C@]11CC[C@H]2[C@@H]3CCC4=C |