InChI=1/C16H15ClN2O4S/c17-9-5-6-11-10(8-9)13-14(23-11)15(22)19(16(24)18-13)7-3-1-2-4-12(20)21/h5-6,8,22H,1-4,7H2,(H,20,21)/p-2/fC16H13ClN2O4S/h22h/q-2 444F9EBC09685405