1-bromo-4-ethylbenzene 2,3-difluorophenol 4-(4'-Chlorophenyl)cyclohexanol 4-Bromo-4'-ethylbiphenyl 1-bromo-4-propylbenzene trans-4-ethylcyclohexanone 1-bromo-4-butylbenzene 4-(trans-4'-ethylcyclohexyl)iodobenzene