1. Department of Natural Products Chemistry, School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, People’s Republic of China
2. School
of Chinese Materia Medica, Tianjin State Key Laboratory of Modern
Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Nankai
District, Tianjin 300193, People’s Republic of China
3. School
of Pharmacy, Yantai University, Laishan District, Yantai, 264005, People’s Republic of China