InChI=1/C13H17F3N2O2S/c1-9(19)10-4-5-11(21-10)12(20)17-6-3-7-18(2)8-13(14,15)16/h4-5H,3,6-8H2,1-2H3,(H,17,20)/f/h17H 0EC1F3A349BC5C2E