2-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
Ethyl 2-cyano-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetate
6-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
Methyl 5-cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate