(-)-Tetrahydrocoptisine 13a-alpha-BERBINE, 2,3:9,10-BIS(METHYLENEDIOXY)- 2,3:9,10-Bis(methylenedioxy)-13a-alpha-berbine 4H-Bis(1,3)benzodioxolo(5,6-a:4',5'-g)quinolizine, 6,7,12b,13-tetrahydro-, (S)- (9CI) 84-39-9 Stylopin Stylopine l-Stylopine l-Tetrahydrocoptisine