參考文獻:
THE UNITED STATES GOVERNMENT as represented by THE DEPARTMENT OF HEALTH AND HUMAN SERVICES Patent: EP1367046 A1, 2003 Location in patent: Page 23 EP 1367046 A1
參考文獻:
Deka, Dibakar C. Purkayastha, Biswajit Paul, Maumita Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2003 , vol. 42, # 10 p. 2641 - 2642