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