1 State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China.
2 Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, Taiwan.
3 Department of Chemistry, National Sun Yat-Sen University, Kaohsiung, Taiwan.
4 Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
5 Department of Chemistry, Kasetsart University, Bangkok, Thailand.