4-acetyl-8,9-dimethoxy-5,6-dihydro-4H-benzo[de]-1,6-naphthyridine 4H-benzo[de][1,6]naphthyridine, 4-acetyl-5,6-dihydro-8,9-dimethoxy- InChI=1/C15H16N2O3/c1-9(18)17-7-5-10-8-12(19-2)15(20-3)14-13(10)11(17)4-6-16-14/h4,6,8H,5,7H2,1-3H