Methyl 2-(difluoromethyl)-3-hydroxy-4-methylpyridine-5-acetate
Methyl 6-(difluoromethyl)-4-hydroxy-2-nitropyridine-3-acetate
4-(Difluoromethyl)-2-hydroxy-5-nitropyridine-3-acetic acid
2-(Difluoromethyl)-4-hydroxy-3-methoxypyridine-5-methanol
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