Ethyl 2-(bromomethyl)-3-(difluoromethyl)pyridine-6-acetate
6-(Bromomethyl)-2-(difluoromethyl)pyridine-3-sulfonyl chloride
6-(Bromomethyl)-3-(difluoromethyl)pyridine-2-sulfonyl chloride
3-(Difluoromethyl)-2,6-diiodopyridine-4-carboxylic acid
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