1. Department of Chemistry College of Chemistry and Materials Engineering Beijing Technology and Business University Beijing 100048 China
2. College of Pharmaceutical Sciences Soochow University Suzhou 215123 China
3. Department of Pharmacy Hubei University of Chinese Medicine Wuhan 430065 China
4. Department of Geriatric Medicine Shenzhen People's Hospital (The Second Clinical Medical College Jinan University) Shenzhen 518020 China