Synonyms: 11,12c-(Iminoethano)-12cH-benzo[1,10a]phenanthro[4,5-bcd]furan-5(4aH)-one,6,6a,9,10,11,12-hexahydro-3-methoxy-7,8,15-trimethyl- (7CI);11,12c-(Iminoethano)-12cH-benzo[1,10a]phenanthro[4,5-bcd]furan-5(4aH)-one,6,6a,9,10,11,12-hexahydro-3-methoxy-7,8,15-trimethyl-, [4aR-(4aa,6ab,10aR*,11a,12ca)]-;11,12c-(Iminoethano)-12cH-benzo[1,10a]phenanthro[4,5-bcd]furan-5(4aaH)-one, 6,6ab,9,10,11b,12-hexahydro-3-methoxy-7,8,15-trimethyl-(8CI); RX 336M