1. School of Life Sciences, Tianjin University, Tianjin 300072, People’s Republic of China
2. School of Life Sciences, Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, Tianjin University, Tianjin 300072, People’s Republic of China
3. Key Laboratory of Tropical Medicinal Resources Chemistry of Ministry of Education, Hainan Normal University, Haikou, Hainan 571158, People’s Republic of China