InChI=1/C16H16N4O4S2/c1-9(2)8-26(23,24)16-19-20-13(17)12(14(22)18-15(20)25-16)7-10-3-5-11(21)6-4-10/h3-7,9,17,21H,8H2,1-2H3/b12-7+,17-13? 1026306BCCB01C03