3-Cyano-5-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine
3-Chloro-2-nitro-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-5-acetic acid
3-Cyano-4-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine
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