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