1,2,4-trimethoxy-7H-dibenzo[de,g]quinolin-7-one 7H-dibenzo[de,g]quinolin-7-one, 1,2,4-trimethoxy- InChI=1/C19H15NO4/c1-22-13-8-12-14(23-2)9-20-17-15(12)16(19(13)24-3)10-6-4-5-7-11(10)18(17)21/h4-9H,1-3H