InChI=1/C20H14N4O4/c25-16-9-11(10-17(26)23-16)19(27)22-14-7-3-1-5-12(14)18-21-15-8-4-2-6-13(15)20(28)24-18/h1-10H,(H,22,27)(H,21,24,28)(H2,23,25,26)/p-1/fC20H13N4O4/h22-24H/q-1 2B809C9842AFDFA8