4-Bromo-2-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxylic acid
3-Bromo-2-(difluoromethyl)-4-methoxypyridine-6-acetonitrile
6-Bromo-2-(difluoromethyl)-3-methoxypyridine-4-acetonitrile
3-Bromo-5-(bromomethyl)-6-(difluoromethyl)pyridine-2-carboxylic acid