InChI=1/C19H17ClN2O5S/c1-12-8-9-21(16-4-2-3-5-17(16)28-12)18(23)11-27-19(24)14-7-6-13(22(25)26)10-15(14)20/h2-7,10,12H,8-9,11H2,1H3/t12-/m1/s1 C826ABE6EC019434