参考文献

Zhou, Zhang-Lin; Kher, Sunil M.; Cai, Sui Xiong; Whittemore, Edward R.; Espitia, Stephen A.; Hawkinson, Jon E.; Tran, Minhtam; Woodward, Richard M.; Weber, Eckard; Keana, John F. W. Bioorganic and Medicinal Chemistry, 2003 , vol. 11, # 8 p. 1769 - 1780