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