InChI=1/C21H26N4O4S2/c1-16-7-8-18-20(13-16)31(28,29)23-21(22-18)15-25-11-9-24(10-12-25)14-17-5-3-4-6-19(17)30(2,26)27/h3-8,13H,9-12,14-15H2,1-2H3,(H,22,23)/f/h22H 3799207BDB83339E