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