2-Bromo-3-(difluoromethyl)-5-methoxypyridine-4-carbonyl chloride
5-Bromo-3-(chloromethyl)-4-(difluoromethyl)-2-methoxypyridine
2-Bromo-3-(difluoromethyl)-4-methoxypyridine-5-carbonyl chloride
3-Bromo-5-(chloromethyl)-2-(difluoromethyl)-6-methoxypyridine