for the following products
4-(3,4-Difluorophenyl)-4'-amylbi(cyclohexane) | 4-[trans-4-(trans-4-Pentylcyclohexyl)cyclohexyl]-1,2-difluorobenzene | 5CCGF liquid crystal | trans,trans-4-(3,4-Difluorophenyl)-4'-pentyl-1,1'-bi(cyclohexane) and trans,trans-4-(3,4-Difluorophenyl)-4'-pentylbicyclohexyl
