InChI=1/C19H18ClNO4S/c1-12(2)26(24,25)17-16-10-14(20)8-9-15(16)18(22)21(19(17)23)11-13-6-4-3-5-7-13/h3-10,12,23H,11H2,1-2H3/p-1/fC19H17ClNO4S/h23h/q-1 D9CD9E0FB12FC08E