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