Methyl 6-cyano-2-(difluoromethyl)-3-methylpyridine-4-acetate
Ethyl 6-(aminomethyl)-4-cyano-2-(difluoromethyl)pyridine-3-acetate
Methyl 2-cyano-5-(difluoromethyl)-6-methylpyridine-3-acetate
4-Cyano-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-methanol