Methyl 5-cyano-4-(difluoromethyl)-3-fluoropyridine-2-acetate
3-Cyano-5-(difluoromethyl)-2-hydroxypyridine-6-acetic acid
5-Cyano-2-(difluoromethyl)-3-fluoropyridine-4-carbonyl chloride
Ethyl 5-(aminomethyl)-2-chloro-4-(difluoromethyl)pyridine-3-carboxylate