InChI=1/C20H16F2N2O2S/c1-13-11-15(6-9-18(13)26-16-3-2-10-23-12-16)24-19(25)14-4-7-17(8-5-14)27-20(21)22/h2-12,20H,1H3,(H,24,25)/f/h24H 7A7D83E8178E8959