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