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