1. Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
2. Department of Medical Technology, Qiandongnan Vocational & Technical College for Nationalities, Kaili, Guizhou 556000, P. R. China
3. State Key Laboratory of Applied Organic Chemistry, Department of Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
4. Kanion Pharamaceutical Co. Ltd, State Key Laboratory of New-tech for Chinese Medicine Pharamaceutical Process, Lianyungang 222001, People's Republic of China