Ethyl 5-bromo-4-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
4-Bromo-3-(difluoromethyl)-6-methylpyridine-2-carboxylic acid
Ethyl 3-bromo-4-(bromomethyl)-2-(difluoromethyl)pyridine-6-carboxylate
Ethyl 3-bromo-2-(bromomethyl)-6-(difluoromethyl)pyridine-5-carboxylate