11-Methyl-11,12,15,16-tetrahydro-17H-cyclopenta(a)phenanthren-17-one 11-Methylgona-1,3,5(10),6,8,13-hexaen-17-one 17H-Cyclopenta(a)phenanthren-17-one, 11,12,15,16-tetrahydro-11-methyl- 27343-48-2 BRN 2465659 Gona-1,3,5(10),6,8,13-hexaen-17-one, 11-methyl- (8CI)