1. Tianjin
Key Laboratory of Chemistry and Analysis of Chinese Materia Medica,
College of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, People’s Republic of China
2. Department
of Chemistry, School of Science, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, People’s Republic of China
3. College
of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China