1,1'-sulfonylbis(4-fluorobenzene) 383-29-9 InChI=1/C12H8F2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8 benzene, 1,1'-sulfonylbis[4-fluoro-