3-Cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-(Aminomethyl)-3-fluoro-6-hydroxy-5-(trifluoromethoxy)pyridine
3-Hydroxy-6-iodo-2-(trifluoromethoxy)pyridine-5-acetic acid