InChI=1/C14H10N8O4/c15-12-11(18-26-19-12)13-16-14(25-20-13)9-3-1-8(2-4-9)7-21-6-5-10(17-21)22(23)24/h1-6H,7H2,(H2,15,19)/f/h15H2 C044039AE2674296