InChI=1/C14H13N4O4/c1-7-15-14-16-9(13(20)21)6-10(18(14)17-7)8-4-3-5-11(22-2)12(8)19/h3-6,10,19H,1-2H3,(H,20,21)/q-1/p-1/t10-/m0/s1/fC14H12N4O4/q-2 C58769272E7D3269