1. Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, PR China
2. Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, China
3. Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, PR China
4. Zhendong Research Institute, Shanxi-Zhendong Pharmaceutical Co., Ltd, Changzhi 047100, China