2,4-Dichloro-5-(difluoromethyl)pyridine-3-sulfonyl chloride
2,3-Dichloro-6-(difluoromethyl)pyridine-5-sulfonyl chloride
2,3-Dichloro-5-(difluoromethyl)pyridine-4-sulfonyl chloride
6-(Difluoromethyl)-2,4-diiodopyridine-3-acetonitrile
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