Synonyms: Berbaman-7,12-diol,6,6'-dimethoxy-2,2'-dimethyl-; Obamegine (6CI,7CI,8CI); (+)-Obamegine;16H-1,24:6,9-Dietheno-11,15-metheno-2H-pyrido[2',3':17,18][1,11]dioxacycloeicosino[2,3,4-ij]isoquinoline-12,22-diol,3,4,4a,5,16a,17,18,19-octahydro-21,26-dimethoxy-4,17-dimethyl-,[4aS-(4aR*,16aS*)]-; NSC 123123; Stepholine