InChI=1/C17H13N9O2/c1-25-9-11-13(23-25)21-16(22-17(27)19-10-4-2-6-18-8-10)26-15(11)20-14(24-26)12-5-3-7-28-12/h2-9H,1H3,(H2,19,21,22,23,27)/f/h19,22H 9344DBE4197D68A6