InChI=1/C16H18N4O5/c1-8-10(6-13(21)19-16-17-7-18-20-16)15(22)25-12-5-9(23-2)4-11(24-3)14(8)12/h4-5,7-8,10H,6H2,1-3H3,(H2,17,18,19,20,21)/p-1/t8-,10-/m1/s1/fC16H17N4O5/h20H/q-1 B79A17B6820A21D3