InChI=1/C19H15N3O4/c1-9-5-3-6-11-10(2)16(26-15(9)11)19(25)20-13-8-4-7-12-14(13)18(24)22-21-17(12)23/h3-8H,1-2H3,(H,20,25)(H,21,23)(H,22,24)/p-1/fC19H14N3O4/h20,22H/q-1 91FC0B4DB873E93E