InChI=1/C19H14N6O4/c26-14-10-25(11-6-2-1-3-7-11)24-16(14)19(29)23-22-18(28)15-12-8-4-5-9-13(12)17(27)21-20-15/h1-10,26H,(H,21,27)(H,22,28)(H,23,29)/p-1/fC19H13N6O4/h26h,21-23H/q-1 6549AC254A71E83E