2-Bromo-5-(difluoromethyl)-3-methoxypyridine-6-carboxaldehyde
6-Bromo-4-(difluoromethyl)-2-methoxypyridine-3-carboxaldehyde
2-Bromo-5-(difluoromethyl)-4-methoxypyridine-3-sulfonyl chloride
6-Bromo-4-(difluoromethyl)-3-methoxypyridine-2-carboxaldehyde