InChI=1/C16H20N4O4S2/c1-10-3-4-11(2)20(10)15-13(5-7-25-15)14(21)18-19-16(22)17-12-6-8-26(23,24)9-12/h3-5,7,12H,6,8-9H2,1-2H3,(H,18,21)(H2,17,19,22)/t12-/m1/s1/f/h17-19H 489419C3829DB93A