10,11-dimethoxy-7-methyl-6,7,7a,8-tetrahydro-5H-benzo[g][1,3]benzodioxolo[6,5,4-de]quinoline 28832-07-7 5H-benzo[g]-1,3-benzodioxolo[6,5,4-de]quinoline, 6,7,7a,8-tetrahydro-10,11-dimethoxy-7-methyl- InChI=1/C20H21NO4/c1-21-5-4-11-7-17-20(25-10-24-17)19-13-9-16(23-3)15(22-2)8-12(13)6-14(21)18(11)19/h7-9,14H,4-6,10H2,1-3H