参考文献:
Jacobsen, Eric Jon Myers, Jason K. Walker, Daniel Patrick Wishka, Donn G. Reitz, Steven Charles Piotrowski, David W. Acker, Brad A. Groppi JR., Vincent E. Patent: US3/367 A, 3 Location in patent: Page 38
参考文献:
Chackal-Catoen, Sarah Miao, Yi Wilson, W. David Wenzler, Tanja Brun, Reto Boykin, David W. Bioorganic and Medicinal Chemistry, 6 , vol. 4, # p. 7434 - 7445