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