Synonyms: 15,16-Dihydro-11-methyl-17H-cyclopenta(a)phenanthren-17-one;17H-Cyclopenta(a)phenanthren-17-one, 15,16-dihydro-11-methyl-;15,16-Dihydro-11-methylcyclopenta(a)phenanthren-17-one;11-Methyl-15,16-dihydro-17H-cyclopenta(a)phenanthren-17-one;11-methyl-15,16-dihydrocyclopenta[a]phenanthren-17-one;15,16-DIHYDRO-11-METHYLCYCLOPENTA(a)-PHENANTHREN-17-ONE;