InChI=1/C22H20F2N2OS/c1-26(22(28)25-18-12-14-19(15-13-18)27-21(23)24)20(16-8-4-2-5-9-16)17-10-6-3-7-11-17/h2-15,20-21H,1H3,(H,25,28)/f/h25H 529F8319318E525A