1,2-dimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-benzo[de][1,3]benzodioxolo[5,6-g]quinoline 4H-benzo[de][1,3]benzodioxolo[5,6-g]quinoline, 5,6,6a,7-tetrahydro-1,2-dimethoxy-6-methyl- InChI=1/C20H21NO4/c1-21-5-4-11-7-17(22-2)20(23-3)19-13-9-16-15(24-10-25-16)8-12(13)6-14(21)18(11)19/h7-9,14H,4-6,10H2,1-3H