InChI=1/C21H26N4O4S2/c26-21(23-22-16-18-7-8-20(30-18)24-9-2-1-3-10-24)17-5-4-6-19(15-17)31(27,28)25-11-13-29-14-12-25/h4-8,15-16H,1-3,9-14H2,(H,23,26)/b22-16+/f/h23H 9B0440052C241DBC