InChI=1/C16H18N4O5S/c1-8(2)15(17)16-18-9(6-26-16)3-14(21)19-10-4-12-13(25-7-24-12)5-11(10)20(22)23/h4-6,8,15H,3,7,17H2,1-2H3,(H,19,21)/p+1/t15-/m0/s1/fC16H19N4O5S/h17,19H/q+1 7FED4B77E0A6F90C