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