InChI=1/C18H13ClN8O2/c1-26-9-12-14(24-26)22-17(23-18(28)20-11-6-4-10(19)5-7-11)27-16(12)21-15(25-27)13-3-2-8-29-13/h2-9H,1H3,(H2,20,22,23,24,28)/f/h20,23H 3878D98E81668117