InChI=1/C18H17ClN2O4S/c1-12-3-2-4-15(11-12)26(24,25)20-17(22)16-9-10-21(18(16)23)14-7-5-13(19)6-8-14/h2-8,11,23H,9-10H2,1H3,(H,20,22)/f/h23h,21-22H E67A77B1588D9841