(5S,11S)-2,3,8,9-tetramethoxy-13-methyl-5,6,11,12-tetrahydro-5,11-epiminodibenzo[a,e][8]annulene; (5S,11S)-5,6,11,12-Tetrahydro-2,3,8,9-tetramethoxy-13-methyldibenzo[a,e]cycloocten-5,11-imine; (-)-(S)-N-Methylpavine; (-)-(S,S)-N-Methylpavine; N-Methylpavine