10605-03-5 30045-16-0 5-21-06-00206 (Beilstein Handbook Reference) 7,8,13,13a-Tetradehydro-2,3,9,10-tetramethoxy-13-methylberbinium BERBINIUM, 7,8,13,13a-TETRADEHYDRO-2,3,9,10-TETRAMETHOXY-13-METHYL- BRN 1556798 Dehydrocorydalin Dehydrocorydaline Dibenzo(a,g)quinolizinium, 5,6-dihydro-2,3,9,10-tetramethoxy-13-methyl- (9CI)