1. State Key Laboratory of Coordination Chemistry
2. School of Chemistry and Chemical Engineering
3. Nanjing University
4. Nanjing
5. P. R. China
6. College of Chemical Engineering
7. Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals
8. Nanjing Forestry University
9. Nanjing 210037
10. Department of Chemistry
11. Rhodes University
12. Grahamstown 6140
13. South Africa