Ethyl 4-chloro-3-cyano-2-(trifluoromethoxy)pyridine-5-carboxylate
6-Chloro-3-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-Chloro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 5-chloro-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxylate