1. College
of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China
2. Key
Laboratory of Marine Drugs, Chinese Ministry of Education, School
of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, P. R. China
3. Department
of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 422-8526, Japan