3-(Bromomethyl)-5-(difluoromethyl)-6-hydroxypyridine-2-carboxaldehyde
3-(Difluoromethyl)-5-hydroxy-2-methylpyridine-4-sulfonamide
3-(Difluoromethyl)-2-hydroxy-4-nitropyridine-6-methanol
2-(Aminomethyl)-3-(difluoromethyl)-4-hydroxy-5-nitropyridine
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