Ethyl 3-cyano-6-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-cyano-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
2-(Aminomethyl)-3-cyano-4-iodo-5-(trifluoromethoxy)pyridine
Ethyl 4-cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate