5-Amino-4-(difluoromethyl)-3-nitropyridine-2-methanol
2-Amino-6-(difluoromethyl)-3-nitropyridine-4-methanol
2-Amino-3-(difluoromethyl)-5-iodopyridine-4-acetonitrile
5-Amino-2-(difluoromethyl)-4-iodo-3-(trifluoromethyl)pyridine
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