2,6-Difluoro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
3,6-Difluoro-2-(difluoromethyl)pyridine-5-sulfonyl chloride
Methyl 2,6-difluoro-4-(difluoromethyl)pyridine-3-acetate
4,6-Difluoro-2-(difluoromethyl)pyridine-3-sulfonyl chloride
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