1. Department of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
2. Department of Biochemistry, College of Medicine, Kaohsiung Medical University, No. 100, Shiquan First Road, Sanmin District, Kaohsiung 80708, Taiwan
3. School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, No. 100, Shiquan First Rd., 80708 Kaohsiung, Taiwan