Methyl 4-bromo-5-(difluoromethyl)-2-methoxypyridine-3-carboxylate
5-Bromo-4-(bromomethyl)-2-(difluoromethyl)pyridine-3-carboxaldehyde
5-Bromo-4-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxaldehyde
3-Bromo-4-(bromomethyl)-2-(difluoromethyl)pyridine-6-carboxaldehyde