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