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