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