InChI=1/C14H11N5O4/c1-6-11-12(8-4-7(19(21)22)2-3-10(8)20)9(5-15)13(16)23-14(11)18-17-6/h2-4,12,20H,16H2,1H3,(H,17,18)/t12-/m0/s1/f/h18H D349833CE8D3BD55