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