5-Amino-2-(difluoromethyl)-3-nitropyridine-6-methanol
3-Amino-6-(bromomethyl)-2-(difluoromethyl)-4-iodopyridine
4-Amino-5-(bromomethyl)-2-(difluoromethyl)-3-iodopyridine
3-Amino-2-(chloromethyl)-4-(difluoromethyl)-5-iodopyridine
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