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