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