3-Bromo-4-(difluoromethyl)-5-hydroxy-2-nitropyridine
3-Bromo-4-(difluoromethyl)-2-hydroxy-5-nitropyridine
3-Bromo-2-(difluoromethyl)-6-hydroxy-4-nitropyridine
3-(Aminomethyl)-4-bromo-2-(difluoromethyl)-6-hydroxypyridine
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