Methyl 5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylate
3,5-Dibromo-2-(difluoromethyl)pyridine-4-sulfonyl chloride
3,4-Dibromo-2-(difluoromethyl)pyridine-5-sulfonyl chloride
4,6-Dibromo-3-(difluoromethyl)pyridine-2-sulfonyl chloride
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