Phytochemical study ofand its biological activities

Sixteen compounds, including two new natural products (and), were obtained from the twigs of. The structures were elucidated based on NMR, MS, IR data and optical rotation values. Compounds,,anddisplayed moderate antibacterial activities against clinical isolates; compounds,,,andprotected neural cells against oxidative stress; and compoundsandexhibited anti-acetylcholinesterase activity.