1. Department of Applied Chemistry National Chiao-Tung University 1001 Ta-Hseuh Road Hsinchu 300-10, ROC Taiwan
2. Amar Chemistry Pvt. Ltd. G1 A, Ackruti Corporate Park Mumbai 400078 India
3. Department of Medicinal and Applied Chemistry Kaohsiung Medical University Kaohsiung 807-08, ROC Taiwan