1. School of Environmental and Chemical EngineeringShanghai University 99 Shangda Road Shanghai 200444 P. R. China
2. Shanghai Institute of MateriaMedicaChinese Academy of Sciences nstitution 501 Haike Road Shanghai 201203 P. R. China
3. Department of Chemistry Innovative Drug Research CenterShanghai University 99 Shangda Road Shanghai 200444 P. R. China