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