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