Ethyl 3-bromo-2-(bromomethyl)-5-(difluoromethyl)pyridine-4-carboxylate
3-Bromo-5-(difluoromethyl)-2-nitropyridine-6-acetic acid
5-Bromo-4-(difluoromethyl)-2-methoxypyridine-3-sulfonyl chloride
5-Bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetic acid