InChI=1/C19H16N2O4/c1-2-25-15-10-8-14(9-11-15)21-18(23)16(17(22)20-19(21)24)12-13-6-4-3-5-7-13/h3-12H,2H2,1H3,(H,20,22,24)/b16-12-/f/h20H	DA45F0C10A166F87