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