Synonyms: 16H-1,24:6,9-Dietheno-11,15-metheno-2H-pyrido[2',3':17,18][1,11]dioxacycloeicosino[2,3,4-ij]isoquinoline,3,5,16a,17,18,19-hexahydro-12,21,22,26-tetramethoxy-17-methyl-, (R)-;Pheanthine, 1',2'-didehydro-2'-demethyl- (8CI); (-)-(R)-Dehatrine;(R)-Dehatrine; 1',2'-Didehydro-2'-norphaeanthine; Dehatrine