1. Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan
2. Department of Pharmacy, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
3. Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
4. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
5. Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
6. Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
7. College of Professional Studies, National Pingtung University of Science and Technology, Pingtung 912, Taiwan