Methyl 3-(aminomethyl)-6-(difluoromethyl)-4-hydroxypyridine-2-acetate
3-(Difluoromethyl)-6-hydroxy-2-methylpyridine-4-sulfonyl chloride
2-(Aminomethyl)-3-(difluoromethyl)-6-hydroxy-5-nitropyridine
4-(Difluoromethyl)-6-hydroxy-2-methylpyridine-3-carboxamide