Sesquiterpene lactones and acetylenic derivatives from Artemisia nujianensis and their anti-inflammatory activity.
A phytochemical investigation of Artemisia nujianensis resulted in the isolation of fifteen compounds, comprising two eudesmane-type (1 and 5), two germacrene-type (2 and 3), and five guaiane-type (4 and 6-9) sesquiterpene lactones, together with four polyacetylenes (10-13) and two thiophene-containing acetylenes (14 a...