(4aR-(4aalpha,6abeta,10aR*,11alpha,12calpha))-6,6a,9,10,11,12-Hexahydro-3-methoxy-7,8,15-trimethyl-11,12c-(iminoethano)-12cH-benzo(1,10a)phenanthro(4,5-bcd)furan-5(4aH)-one 6701-66-2 BRN 1175588 Morphinan, 3,4-dimethyl-1,2,5,6-tetrahydrobenz(2,1,8,8a)4,5-epoxy-3-methoxy-N-methyl-6-oxo-7,8-dihydro- RX 336M