参考文献

Hughes, Terry V.; Emanuel, Stuart L.; O'Grady, Harold R.; Connolly, Peter J.; Rugg, Catherine; Fuentes-Pesquera, Angel R.; Karnachi, Prabha; Alexander, Richard; Middleton, Steven A. Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 18 p. 5130 - 5133