Yan, Pu-Cha; Zhang, Xian-Yi; Hu, Xiao-Wei; Zhang, Bin; Zhang, Xiang-Dong; Zhao, Michael; Che, Da-Qing; Li, Yuan-Qiang; Zhou, Qi-Lin
Tetrahedron Letters, 2013 , vol. 54, # 11 p. 1449 - 1451