1. State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Nankai University; Tianjin 300071 People's Republic of China
2. Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine; Tianjin 300071 People's Republic of China
3. Institute of Basic Research in Clinical Medicine; China Academy of Chinese Medical Sciences; Beijing 100700 People's Republic of China
4. Tianjin University of Traditional Chinese Medicine; Tianjin 300071 People's Republic of China