4-(Chloromethyl)-2-cyano-3-nitro-6-(trifluoromethoxy)pyridine
3-Cyano-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 2-cyano-6-methyl-3-(trifluoromethoxy)pyridine-5-acetate
3-Cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid