Synonyms: Crinan-2-ol,3,7-dimethoxy-, (2b,3a)-; Crinan-2b-ol, 3a,7-dimethoxy- (8CI); Undulatine, dihydro- (6CI);1H,6H-5,11b-Ethano[1,3]dioxolo[4,5-j]phenanthridin-3-ol,2,3,4,4a-tetrahydro-3,7-dimethoxy-, [2R-(2a,3b,4ab,5a,11ba)]-; 3a,7-Dimethoxycrinan-2b-ol; Dihydroundulatine