1. School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning 110016, P. R. China
2. Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang 110840, China
3. School of Life Science and Biochemistry, Shenyang Pharmaceutical University, 103 Wenhua Road Shenhe District, Shenyang, Liaoning 110016, P. R. China