4-Bromo-2-cyano-6-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetonitrile
4-(Bromomethyl)-2-(difluoromethyl)-5-iodopyridine
5-Bromo-4-(fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
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