4-Fluoro-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Fluoro-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
6-Cyano-3-methoxy-2-nitro-4-(trifluoromethoxy)pyridine
3-Cyano-4-methoxy-2-methyl-6-(trifluoromethoxy)pyridine
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