2-Amino-6-(aminomethyl)-3-(difluoromethyl)-5-iodopyridine
2-Amino-4-(aminomethyl)-3-(difluoromethyl)-6-iodopyridine
5-Amino-2-(difluoromethyl)-3-iodo-6-nitropyridine
2-Amino-4-(difluoromethyl)-3-nitropyridine-6-acetonitrile
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