InChI=1/C16H34N4O4S/c1-4-25(22,23)19-7-5-6-17-16(21)18-13-15(12-14(2)3)20-8-10-24-11-9-20/h14-15,19H,4-13H2,1-3H3,(H2,17,18,21)/t15-/m0/s1/f/h17-18H 203B8B71491ED74A