Synonyms: 13aa-Berbine-2,9-diol,3,10-dimethoxy- (8CI); 6H-Dibenzo[a,g]quinolizine-2,9-diol,5,8,13,13a-tetrahydro-3,10-dimethoxy-, (S)-; Scoulerine (7CI); (-)-Scoulerine;(S)-(-)-Scoulerine; (S)-Scoulerine; Alkaloid HF 1, from Hunnemanniafumariaefolia; Scoulerin; Scoulerine, (-)-; l-Scoulerine