Methyl 4-(aminomethyl)-3-cyano-6-(difluoromethyl)pyridine-2-acetate
2-(Chloromethyl)-4-cyano-6-(difluoromethyl)pyridine-3-acetic acid
Ethyl 3-(chloromethyl)-2-cyano-6-(difluoromethyl)pyridine-4-acetate
2-Cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-4-carboxaldehyde