参考文献

Collado, Ivan; Ezquerra, Jesus; Mazon, Angel; Pedregal, Concepcion; Yruretagoyena, Belen; Kingston, Anne E.; Tomlinson, Rosemary; Wright, Rebecca A.; Johnson, Bryan G.; Schoepp, Darryle D. Bioorganic and Medicinal Chemistry Letters, 1998 , vol. 8, # 20 p. 2849 - 2854