Hwang, Tsong-Long; Hung, Chih-Hao; Hsu, Ching-Yun; Huang, Yin-Ting; Tsai, Yu-Chi; Hsieh, Pei-Wen Organic and Biomolecular Chemistry, 2013, vol. 11, # 22 p. 3742 - 3755 doi: 10.1039/c3ob40215k