Synonyms: 2H,16H-6,9-Etheno-1,24:11,15-dimethenopyrido[2',3':17,18][1,11]dioxacycloheneicosino[2,3,4-ij]isoquinoline,3,5,16a,17,18,19-hexahydro-12,21,22,25-tetramethoxy-17-methyl-, (S)-;Thalmethine, O-methyl- (7CI,8CI); NSC 104945; O-Methylthalmethine