InChI=1/C15H13N4O5/c1-24-11-6-7-12-13(8-11)17(20)14(15(16)18(12)21)9-2-4-10(5-3-9)19(22)23/h2-8,14,16,20H,1H3/q+1/t14-/m1/s1 A16F85B391DE1809