1. State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University of Macau, Taipa, Macao P. R China
2. Department
of Chemistry, Hong Kong Baptist University, T1303, Cha Chi-Ming Science Tower, Kowloon Tong, Hong Kong, P. R. China
3. Institute
of New Drug Research and Guangdong Province Key Laboratory of Pharmacodynamic
Constituents of Traditional Chinese Medicine, Jinan University College of Pharmacy, Guangzhou 510632, China