3-Bromo-5-chloro-2-(difluoromethyl)-6-nitropyridine
3-(Difluoromethyl)-2,5-dimethoxy-6-iodopyridine
3-Chloro-5-methoxypyridine-4-sulfonyl chloride
3-Chloro-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
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