2-Chloro-4-(difluoromethyl)-3-fluoropyridine-6-sulfonyl chloride
Methyl 5-chloro-3-(difluoromethyl)pyridine-2-carboxylate
4-Bromo-5-(chloromethyl)-3-(difluoromethyl)pyridine-2-carboxylic acid
5-Bromo-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile