2-Chloro-5-cyano-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-Chloro-2-fluoro-3-methoxy-6-(trifluoromethoxy)pyridine
6-Chloro-4-cyano-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 3-chloro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetate