InChI=1/C20H16F4N2OS/c21-17-9-3-1-6-14(17)12-26(13-15-7-5-11-27-15)19(28)25-18-10-4-2-8-16(18)20(22,23)24/h1-11H,12-13H2,(H,25,28)/f/h25H 00DF0EE1263E2127