4-(Chloromethyl)-3-(difluoromethyl)-2-hydroxy-6-nitropyridine
2-(Chloromethyl)-4-(difluoromethyl)-6-hydroxy-3-methoxypyridine
4-(Chloromethyl)-2-(difluoromethyl)-6-hydroxy-3-nitropyridine
2-(Difluoromethyl)-5-hydroxy-3-methoxypyridine-6-acetonitrile
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