参考文献

Wang, Bi-Qin; Xiang, Shi-Kai; Sun, Zuo-Peng; Guan, Bing-Tao; Hu, Ping; Zhao, Ke-Qing; Shi, Zhang-Jie Tetrahedron Letters, 2008 , vol. 49, # 27 p. 4310 - 4312