2-Chloro-5-(difluoromethyl)-4-hydroxy-3-methoxypyridine
4-Chloro-3-(difluoromethyl)-5-hydroxy-2-iodopyridine
2-Bromo-6-(bromomethyl)-3-(difluoromethyl)pyridine-4-carboxylic acid
2-Chloro-5-(difluoromethyl)-3-hydroxy-6-methylpyridine
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