2,3,9,10-tetramethoxy-13-methyl-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline 6018-35-5 6H-dibenzo[a,g]quinolizine, 5,8,13,13a-tetrahydro-2,3,9,10-tetramethoxy-13-methyl- InChI=1/C22H27NO4/c1-13-15-6-7-18(24-2)22(27-5)17(15)12-23-9-8-14-10-19(25-3)20(26-4)11-16(14)21(13)23/h6-7,10-11,13,21H,8-9,12H2,1-5H