1. School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
2. Department of Science, Faculty of Science, Yamagata University, 1-4-12 Kojirakawa, Yamagata, 990-8560, Japan
3. Department of Chemistry, College of Sciences, King Saud University, Riyadh, 11451, Saudi Arabia
4. Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, and, School of Pharmacy, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Guangdong Medical University, Dongguan, 523808, China