Methyl 3-(chloromethyl)-4-cyano-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-cyano-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
4-Fluoro-2-iodo-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
6-Fluoro-4-methoxy-3-methyl-2-(trifluoromethoxy)pyridine