3-(Difluoromethyl)-6-fluoro-2-hydroxypyridine-5-carboxylic acid
3-(Bromomethyl)-5-(difluoromethyl)-2-fluoro-6-hydroxypyridine
2-(Difluoromethyl)-3-fluoro-5-iodopyridine-4-acetonitrile
5-(Difluoromethyl)-2-fluoro-4-iodo-3-(trifluoromethyl)pyridine
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