2-Bromo-6-chloro-3-(difluoromethyl)pyridine-4-carbonyl chloride
5-Bromo-2-chloro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
6-Bromo-3-chloro-4-(difluoromethyl)pyridine-2-carbonyl chloride
4-Bromo-3-chloro-5-(difluoromethyl)pyridine-2-sulfonyl chloride