1. Department of Applied ChemistryNational Chiao Tung University 1001 Ta-Hseuh Road Hsinchu 300-10 Taiwan
2. Department of ChemistryChandmal Tarachand Bora College, University of Pune Shirur, Maharashtra 412210 India
3. Department of Medicinal and Applied ChemistryKaohsiung Medical University 100, Shih-Chuan 1st Road Kaohsiung 807-08 Taiwan