4-(Difluoromethyl)-2-fluoro-6-hydroxy-3-methylpyridine
3-(Difluoromethyl)-2-fluoro-4-hydroxy-6-methylpyridine
4-(Difluoromethyl)-5-fluoro-3-hydroxy-2-methoxypyridine
5-(Difluoromethyl)-2-fluoro-3-hydroxy-4-nitropyridine
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