InChI=1/C18H17ClN2O4S/c1-3-26(22,23)14-7-8-16(24-2)15(10-14)21-18-20-11-17(25-18)12-5-4-6-13(19)9-12/h4-11H,3H2,1-2H3,(H,20,21)/f/h21H 1229F0C0B4A2737F