Ethyl 5-bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-bromo-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Chloro-2-(chloromethyl)-3-cyano-5-(trifluoromethoxy)pyridine
Methyl 2-bromo-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate