TNF and acute respiratory distress syndrome: tomentosa</i> constituents and to evaluate their anti-inflammatory activity and mechanism in a lipopolysaccharide (LPS)-induced acute lung injury (ALI) model.<h4>Methods</h4>A series of rhodomentosone-like compounds were screened in LPS-stimulated RAW264.7 macrophages for <i>IL-1</i>β and <i>TNF-</i>α expression.