Methyl 4-bromo-2-(difluoromethyl)pyridine-3-carboxylate
Ethyl 2-(chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetate
5-(Chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-methanol