4-Amino-3-chloro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Chloro-6-fluoro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 2-cyano-3-(difluoromethyl)-6-methylpyridine-5-carboxylate