Methyl 2-cyano-4-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylate
2-(Bromomethyl)-5-cyano-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
Ethyl 4-chloro-3-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-cyano-3-methoxy-4-(trifluoromethoxy)pyridine-5-carboxylate