1. Institute
of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China
2. Department
of Chemistry and Biochemistry, Miami University, Oxford, Ohio 45056, United States
3. National
Soil Erosion Research Laboratory, USDA-ARS, West Lafayette, Indiana 47907, United States
4. Northern
Great Plains Research Laboratory, USDA-ARS, Mandan, North Dakota 58554, United States