InChI=1/C16H11N3O5/c20-14(9-4-2-1-3-5-9)15(21)13-16(22)18-12-8-10(19(23)24)6-7-11(12)17-13/h1-8,14,20H,(H,18,22)/p-1/t14-/m1/s1/fC16H10N3O5/q-1 FCB2E76EAD6115A0