Methyl 3-(chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-4-acetate
3-Chloro-2-(chloromethyl)-4-nitro-5-(trifluoromethoxy)pyridine
6-Cyano-3-(fluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine
6-Chloro-2-(chloromethyl)-4-nitro-3-(trifluoromethoxy)pyridine