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