1. Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, P. R. China
2. Research Center for Pharmacodynamic Evaluation Engineering Technology of Chongqing, College of Pharmacy, Chongqing Medical University, Chongqing 400016, P. R. China
3. Chongqing Industry and Information Vocational College, Chongqing 400043, P. R. China