1. Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University Luzhou Sichuan 646000 China
2. People's Hospital of Xinjin District, Chengdu Sichuan 611430 China
3. School of Pharmacy, Binzhou Medical University Yantai Shandong 264003 China
4. Central Nervous System Drug Key Laboratory of Sichuan Province Luzhou Sichuan 646000 China