InChI=1/C22H22N2O4S/c1-14-7-9-15(10-8-14)24-21(26)18(20(25)23-22(24)27)13-16-11-12-19(28-16)29-17-5-3-2-4-6-17/h7-13,17H,2-6H2,1H3,(H,23,25,27)/p-1/b18-13-/fC22H21N2O4S/q-1 2C5BB77F201F203B