1. School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
2. Department of Applied Chemistry, Anhui Agricultural University, Hefei, Anhui 230036, China
3. Key Laboratory of Tobacco Flavor Basic Research, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
4. Key Lab of Functional Molecular Engineering of Guangdong Province, South China University of Technology, Guangzhou 510641, China