[1] Univ Szeged, Inst Pharmacognosy, Szeged, Hungary
[2] Commiss European Communities, COST Act Chem Biol Nat Prod CM0804, B-1049 Brussels, Belgium
[3] Kaohsiung Med Univ, Grad Inst Nat Prod, Kaohsiung, Taiwan
[4] China Med Univ, Sch Chinese Med, Coll Chinese Med, Taichung, Taiwan
[5] China Med Univ Hosp, Nat Med Prod Res Ctr, Taichung, Taiwan