2-(Chloromethyl)-6-(difluoromethyl)pyridine-4-carboxylic acid
2-(Difluoromethyl)-5-iodopyridine-3-sulfonyl chloride
4-(Chloromethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
2-(Difluoromethyl)-4-iodopyridine-3-sulfonyl chloride
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