5-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Cyano-2-fluoro-3-methoxy-6-(trifluoromethoxy)pyridine
2-(Aminomethyl)-6-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
Methyl 2-cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate