Ethyl 4-cyano-3-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-cyano-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
2-Cyano-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
Ethyl 3-cyano-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylate