Methyl 2-(difluoromethyl)-5-iodopyridine-3-acetate
2-(Bromomethyl)-5-(difluoromethyl)pyridine-3-carboxylic acid
3-(Difluoromethyl)-6-iodopyridine-2-sulfonyl chloride
4-(Difluoromethyl)-2-iodopyridine-6-sulfonyl chloride
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