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