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