1. Qinzhou Key Laboratory for Development and Application of High Performance Functional Materials
2. College of Petroleum and Chemical Engineering
3. Beibu Gulf University
4. Qinzhou 535011
5. People's Republic of China
6. School of Chemistry and Pharmacy
7. Guangxi Normal University
8. Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education)
9. Guilin 541004