Methyl 2-cyano-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-(aminomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-cyano-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylate
4-Cyano-5-(fluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine