InChI=1/C19H16N2O3/c1-11-8-12(22)6-7-17(11)21-18(23)9-14(19(21)24)15-10-20-16-5-3-2-4-13(15)16/h2-8,10,14,20,22H,9H2,1H3/t14-/m0/s1 D1FEC0309F01F06C