Guan, Pei; Cao, Changsheng; Liu, Yun; Li, Yunfei; He, Pan; Chen, Qian; Liu, Gang; Shi, Yanhui Tetrahedron Letters, 2012 , vol. 53, # 45 p. 5987 - 5992,6 Title/Abstract Full Text Show Details Guan, Pei; Cao, Changsheng; Liu, Yun; Li, Yunfei; He, Pan; Chen, Qian; Liu, Gang; Shi, Yanhui Tetrahedron Letters, 2012 , vol. 53, # 45 p. 5987 - 5992