Synonyms: 15,16-Dihydro-15-methoxy-17H-cyclopenta(a)phenanthren-17-one;15-Methoxygona-1(10),2,4,6,8(14),9(11),12-heptaen-17-one;17H-Cyclopenta(a)phenanthren-17-one, 15,16-dihydro-15-methoxy-;gona-1(10),2,4,6,8(14),9(11),12-heptaen-17-one, 15-methoxy-