1. Department
of Applied Chemistry, National Chiao-Tung University, Hsinchu 300-10, Taiwan
2. Center
for Neuropsychiatric Research, National Health Research Institutes, Miaoli, Taiwan
3. Department
of Medicinal and Applied Chemistry, Kaohsiung Medical University, 100
Shih-Chuan 1stRoad, Kaohsiung 807-08, Taiwan