InChI=1/C17H13N9O2/c1-25-9-11-13(23-25)21-16(22-17(27)19-10-4-6-18-7-5-10)26-15(11)20-14(24-26)12-3-2-8-28-12/h2-9H,1H3,(H2,18,19,21,22,23,27)/p-1/fC17H12N9O2/h19H/q-1 3A6E52520C14C3F8