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