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