InChI=1/C20H24N4O4S/c1-13-5-6-15(28-13)17(25)21-14-7-9-23(10-8-14)12-24-18(26)20(2,22-19(24)27)16-4-3-11-29-16/h3-6,11,14H,7-10,12H2,1-2H3,(H,21,25)(H,22,27)/t20-/m0/s1/f/h21,23H 0261D1FB3494ADD8