19845-29-5 3,9,10-Trimethoxy-5,8,13,13a-tetrahydro-6H-dibenzo(a,g)quinolizine 3,9,10-Trimethoxyberbine [French] 6H-Dibenzo(a,g)quinolizine, 5,8,13,13a-tetrahydro-3,9,10-trimethoxy-