参考文献

Tu, Zhijay; Lin, Chunchi; Jang, Yaochung; Jang, Yeong-Jiunn; Ko, Shengkai; Fang, Hulin; Liu, Ju-Tsung; Yao, Ching-Fa Tetrahedron Letters, 2006 , vol. 47, # 34 p. 6133 - 6137