2-Cyano-3-fluoro-6-(trifluoromethoxy)pyridine-4-sulfonamide
2-Cyano-4-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
2-Cyano-3-fluoro-4-(trifluoromethoxy)pyridine-6-sulfonamide
3-Chloro-6-methyl-2-nitro-4-(trifluoromethoxy)pyridine
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