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