1. School
of Chemical Biology and Pharmaceutical Sciences, Capital Medical University, Beijing 100069, P. R. China
2. School
of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, P. R. China
3. Department
of Neurosurgery, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing 100093, P. R. China
4. College
of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 210620, P. R. China