InChI=1/C17H17N4O4S2/c1-9-5-6-12(7-13(9)20-27(4,24)25)15(22)19-21-8-18-16-14(17(21)23)10(2)11(3)26-16/h5-8H,1-4H3,(H,19,22)/q-1/f/h19H 7E6C05F37473CEFB