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