Methyl 5-cyano-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
2-(Bromomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-6-acetic acid
Methyl 4-cyano-5-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 4-cyano-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate