State Key Laboratory of Phytochemistry and Plant Resources in West China;
Kunming Institute of Botany;
Chinese Academy of Sciences;
Kunming 650201;
China;
School of Nuclear Technology and Chemistry&Biology;
Hubei University of Science and Technology;
Xianning 437100;
China;
Natural products; Structure optimization; Antiobesity agents; Pancreatic lipase inhibitors; Vibralactone derivatives;