Bioactive prenylated xanthones and anthraquinones from Cratoxylum formosum ssp. pruniflorum

Nine new prenylated xanthones (1-9) and a new anthraquinone (10) were isolated from the roots and barks of Cratoxylum formosum ssp. pruniflorum. In addition, antibacterial and cytotoxic activities of the isolates were also evaluated.