InChI=1/C20H19ClN2O4S/c1-2-26-20(25)18-16(13-5-7-14(21)8-6-13)12-28-19(18)23-17(24)11-22-10-15-4-3-9-27-15/h3-9,12,22H,2,10-11H2,1H3,(H,23,24)/p+1/fC20H20ClN2O4S/h22-23H/q+1 AAFD1E3FA9AC17C3