参考文献:
Amombo, Ghislaine Marlyse Okala Kramer, Thomas Lo Monte, Fabio Goering, Stefan Fach, Matthias Smith, Steven Kolb, Stephanie Schubenel, Robert Baumann, Karlheinz Schmidt, Boris Bioorganic and Medicinal Chemistry Letters, 212 , vol. 22, # 2 p. 76 - 76