4-Bromo-2-(difluoromethyl)pyridine-5-carboxylic acid
3-Bromo-5-(difluoromethyl)pyridine-4-carboxylic acid
3-(Difluoromethyl)-6-nitropyridine-2-acetic acid
3-Bromo-4-(difluoromethyl)pyridine-5-carboxylic acid
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