13a-alpha-BERBINE-2,10-DIOL, 3,9-DIMETHOXY- 16562-13-3 3,9-Dimethoxy-13a-alpha-berbine-2,10-diol 6H-Dibenzo(a,g)quinolizine-2,10-diol, 5,8,13,13a-tetrahydro-3,9-dimethoxy-, (S)- (9CI) Stepholidine l-2,10-Dihydroxy-3,9-dimethyloxytetrahydropseudoberberine l-Stepholidine