InChI=1/C15H15ClN2O4S/c1-9-3-6-12(13(19)7-9)15(20)17-18-23(21,22)14-8-11(16)5-4-10(14)2/h3-8,18-19H,1-2H3,(H,17,20)/f/h17H FC93462DFC227B14