4-Bromo-2-(difluoromethyl)-5-methylpyridine-3-sulfonyl chloride
4-Bromo-5-(bromomethyl)-2-(difluoromethyl)pyridine-3-acetonitrile
Methyl 3-chloro-5-(difluoromethyl)-2-methoxypyridine-6-acetate
5-Chloro-3-cyano-2-(difluoromethyl)pyridine-4-acetic acid