1. Institute of Pharmaceutical ChemistryUniversity of Szeged Eötvös u. 6 6720 Szeged Hungary
2. School of Pharmacy, College of PharmacyKaohsiung Medical University Kaohsiung 807 Taiwan
3. MTA-SZTE Stereochemistry Research GroupHungarian Academy of Sciences Eötvös u. 6 6720 Szeged Hungary
4. Institute of ChemistryUniversity of GrazNAWI Graz Heinrichstrasse 28 8010 Graz Austria
5. Department of Fragrance and Cosmetic ScienceCollege of PharmacyKaohsiung Medical University Kaohsiung 807 Taiwan
6. Department of Medical ResearchKaohsiung Medical University HospitalKaohsiung Medical University Kaohsiung 807 Taiwan