4-Chloro-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-acetic acid
3-(Bromomethyl)-4-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
5-Bromo-4-mercaptopicolinonitrile
4-Cyano-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
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