1. Research Center of Analysis and Test
2. School of Chemistry and Molecular Engineering
3. East China University of Science and Technology
4. Shanghai 200237
5. People's Republic of China
6. Shanghai Fire Research Institute of MEM
7. Shanghai 200438
8. P. R. China
9. Shanghai Institute of Planned Parenthood Research
10. National Evaluation Center for Toxicology of Fertility Regulating Drugs
11. Shanghai 200032