Ethyl 2-bromo-4-(difluoromethyl)-5-nitropyridine-3-carboxylate
2-(Bromomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
6-Bromo-4-iodo-3-methyl-2-(trifluoromethoxy)pyridine
6-Chloro-5-mercaptopicolinonitrile
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