Ethyl 3-bromo-6-(difluoromethyl)pyridine-2-acetate
Ethyl 6-bromo-3-(difluoromethyl)pyridine-2-acetate
Ethyl 2-bromo-4-(difluoromethyl)pyridine-6-acetate
3-Bromo-6-(difluoromethyl)pyridine-2-sulfonyl chloride
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