InChI=1/C15H13Cl2N2O3S/c1-9-3-6-15(13(17)7-9)23(21,22)19-11-4-5-12(16)14(8-11)18-10(2)20/h3-8H,1-2H3,(H,18,20)/q-1/f/h18H 11E0FA5B68AB365B