Ethyl 3-chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
2-Fluoro-3-methoxy-4-nitro-5-(trifluoromethoxy)pyridine
5-Cyano-2-fluoro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 5-(chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate