InChI=1/C18H13F3N2O2S/c1-17(2)14-8-11(3-4-15(14)23-16(26)25-17)12-5-10(9-22)6-13(7-12)24-18(19,20)21/h3-8H,1-2H3,(H,23,26)/f/h23H 2914CD87795DA5A3