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