3-Cyano-2-methyl-5-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Cyano-5-iodo-4-methoxy-2-(trifluoromethoxy)pyridine
3-Cyano-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Cyano-4-iodo-2-methoxy-3-(trifluoromethoxy)pyridine
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