6-Cyano-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 4-cyano-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
2-(Bromomethyl)-3-cyano-5-nitro-4-(trifluoromethoxy)pyridine
Methyl 5-cyano-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate