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