Ethyl 3-bromo-6-chloro-2-(trifluoromethoxy)pyridine-4-carboxylate
5-Bromo-4-cyano-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine
Ethyl 4-bromo-3-chloro-5-(trifluoromethoxy)pyridine-2-carboxylate
3-Bromo-2-cyano-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine