4-Cyano-5-fluoro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 3-chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Cyano-3-fluoro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride