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Molecular structures of the compounds from Andrographis paniculata that inhibit NF-κB transactivation: (A) 5-hydroxy-7,8-dimethoxyflavone, (B) 5-hydroxy-7,8dimethoxyflavanone, (C) β-itosterol, (D) stigmasterol, (E) ergosterol peroxide, (F) 14-deoxy14,15-dehydroandrographolide, (G) 19-O-acetyl-14-deoxy-11,12-didehydroandrographolide, (H) 14-deoxy-11,12-didehydroandrographolide, and (I) andrographolide.
