2-Cyano-3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine
5-Chloro-4-cyano-2-iodo-3-(trifluoromethoxy)pyridine
2-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-4-cyano-5-iodo-2-(trifluoromethoxy)pyridine
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