InChI=1/C16H20N4O4S2/c1-16(2)5-8-13(9(21)6-16)26-15(17-8)19-11(23)7-25-14-18-10(22)4-12(20-14)24-3/h4,8,13H,5-7H2,1-3H3,(H,17,19,23)(H,18,20,22)/p-1/t8-,13-/m1/s1/fC16H19N4O4S2/h17H/q-1 A65032F2403875D5