2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Bromo-2-cyano-4-(difluoromethyl)pyridine-3-acetic acid
3-(Bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-5-methanol
3-Chloro-5-mercaptoisonicotinonitrile
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