2-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-5-sulfonyl chloride
5-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
3-(Chloromethyl)-2-fluoro-6-nitro-5-(trifluoromethoxy)pyridine
Methyl 3-(fluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine-6-carboxylate