Ethyl 4-chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-cyano-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-carboxylate
Ethyl 2-fluoro-4-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-chloro-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate