Ethyl 3-amino-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
5-Bromo-2-chloro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Bromo-2-cyano-3-(trifluoromethoxy)pyridine-6-acetonitrile
5-Bromo-3-chloro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride