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