13a.alpha.-Berbine, 2,3,10,11-tetramethoxy- 523-02-4 6H-Dibenzo[a,g]quinolizine, 5,8,13,13a-tetrahydro-2,3,10,11-tetramethoxy-, (S)- Govanine methyl ether NORCORELYDINE NSC17067 Norcoralydine O,O-Dimethylgovadine O-Methylgovanine S-(-)-Xylopinine Xylopinine