Methyl 4-chloro-3-cyano-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-chloro-3-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate
2-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 3-chloro-5-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate