InChI=1/C13H15ClFNO3S/c14-9-6-7-11(12(15)8-9)13(17)16-20(18,19)10-4-2-1-3-5-10/h6-8,10H,1-5H2,(H,16,17)/f/h17H 19EE3F2A760442D1