4-Amino-2-(difluoromethyl)pyridine-6-carboxylic acid
4-Cyano-2-(difluoromethyl)-5-nitropyridine
5-Amino-3-(difluoromethyl)pyridine-2-carboxylic acid
4-Amino-3-(bromomethyl)-2-(difluoromethyl)pyridine
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