Methyl 3-amino-4-(difluoromethyl)-2-nitropyridine-6-carboxylate
Ethyl 6-amino-4-(difluoromethyl)-2-nitropyridine-3-carboxylate
3-Amino-2-(difluoromethyl)-6-iodopyridine-4-methanol
2-Amino-6-(difluoromethyl)-3-iodopyridine-5-carboxylic acid
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