131985-08-5 17beta,21beta-Epoxyhopan-3-one InChI=1/C30H48O2/c1-19(2)29-17-15-28(8)22-10-9-21-25(5)13-12-23(31)24(3,4)20(25)11-14-26(21,6)27(22,7)16-18-30(28,29)32-29/h19-22H,9-18H2,1-8H3/t20?,21?,22?,25-,26+,27+,28+,29-,30-/m0/s phenanthro[2',1':4,5]indeno[1,7a-b]oxiren-9(1H)-one, octadecahydro-5a,5b,8,8,11a,13b-hexamethyl-2a-(1-methylethyl)-, (2aS,3aS,5aR,5bR,11aR,13bR)- rel-(2aR,3aR,5aS,5bS,11aS,13bS)-2a-isopropyl-5a,5b,8,8,11a,13b-hexamethyloctadecahydrophenanthro[2',1':4,5]indeno[1,7a-b]oxiren-9(1H)-one