Methyl 3-(difluoromethyl)-2-iodopyridine-6-acetate
2,4-Dibromo-3-(difluoromethyl)pyridine-5-sulfonyl chloride
Methyl 6-(difluoromethyl)-2-iodopyridine-3-acetate
2,3-Dibromo-4-(difluoromethyl)pyridine-5-sulfonyl chloride
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