InChI=1/C13H11F3N2O2S/c1-9-3-2-4-12(17-9)18-21(19,20)11-7-5-10(6-8-11)13(14,15)16/h2-8H,1H3,(H,17,18)/f/h17H 5CAAA24C6F9C9962