InChI=1/C17H17N4O4S/c1-11(2)21-17-12(9-19-21)7-13(10-18-17)20-26(22,23)14-3-4-15-16(8-14)25-6-5-24-15/h3-4,7-11H,5-6H2,1-2H3/q-1 E7A1937AD206C08F