1. State Key Laboratory of Biotherapy and Cancer Center, and Department of Neurosurgery, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, P. R. China
2. School of Pharmacy, Shihezi University, and Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, Shihezi 832002, P. R. China
3. National Engineering Research Center for Synthesis of Novel Rubber and Plastic Materials, Yanshan Branch, Beijing Research Institute of Chemical Industry, SINOPEC, Beijing 102500, P. R. China