InChI=1/C18H17ClN2O4S/c1-13(2-11-18(22)20-23)12-14-3-7-16(8-4-14)21-26(24,25)17-9-5-15(19)6-10-17/h2-12H,1H3,(H3,20,21,22,23)/p-1/fC18H16ClN2O4S/h20,23H/q-1/b11-2+,13-12+ EA25FC0FCB340120