4-Amino-5-bromo-3-(difluoromethyl)pyridine-2-carboxylic acid
4-Amino-2-bromo-3-(difluoromethyl)pyridine-5-acetonitrile
6-(Difluoromethyl)-2,3-diiodopyridine-4-sulfonyl chloride
4-Amino-6-bromo-3-(difluoromethyl)pyridine-2-carboxylic acid
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