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