3-Bromo-2-chloro-6-(difluoromethyl)pyridine-5-sulfonyl chloride
Methyl 4-bromo-6-cyano-2-(difluoromethyl)pyridine-3-acetate
6-Bromo-2-chloro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
2-Bromo-6-chloro-3-(difluoromethyl)pyridine-5-sulfonyl chloride