参考文献

Tamiz, Amir P.; Whittemore, Edward R.; Schelkun, Robert M.; Yuen, Po-Wai; Woodward, Richard M.; Cai, Sui-Xiong; Weber, Eckard; Keana, John F. W. Bioorganic and Medicinal Chemistry Letters, 1998 , vol. 8, # 2 p. 199 - 200