6-Bromo-3-mercaptopicolinonitrile
2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Bromomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-6-methanol
2,3-Diiodo-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine
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