6-Cyano-4-iodo-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Cyano-2-nitro-5-(trifluoromethoxy)pyridine-6-acetic acid
2-Cyano-4-iodo-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Cyano-3-iodo-5-(trifluoromethoxy)pyridine-6-carboxylic acid
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