1. Hubei Key Laboratory of Natural Products Research and Development, Key Laboratory of Functional Yeast (China National Light Industry), College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, Hubei 443002, China
2. Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
3. Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Bin-hai New City, Fuzhou, Fujian 350207, China