Ethyl 5-fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 3-fluoro-4-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylate
4-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetic acid
Methyl 3-fluoro-6-methoxy-4-(trifluoromethoxy)pyridine-2-acetate