InChI=1/C18H17ClN2O4S/c1-3-26(22,23)12-8-9-16(24-2)15(10-12)21-18-20-11-17(25-18)13-6-4-5-7-14(13)19/h4-11H,3H2,1-2H3,(H,20,21)/f/h21H 67AF2558F2B410DB