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