3-Amino-4-(difluoromethyl)-5-nitropyridine-2-carboxylic acid
3-Amino-2-(difluoromethyl)-4-iodo-6-(trifluoromethyl)pyridine
6-Amino-4-(difluoromethyl)-3-nitropyridine-2-methanol
3-Amino-2-(difluoromethyl)-6-nitropyridine-5-carboxylic acid
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