InChI=1/C22H17N3O4/c26-22(27)14-6-4-13(5-7-14)21-24-19(20(25-21)16-3-1-2-10-23-16)15-8-9-17-18(11-15)29-12-28-17/h1-10,18H,11-12H2,(H,24,25)(H,26,27)/p-1/t18-/m0/s1/fC22H16N3O4/h24H/q-1 CCDBB468CF0E459B