Hong, Pao-Chiung; Chen, Li-Jung; Lai, Tzu-Yun; Yang, Huei-Yu; Chiang, Shih-Jan; Lu, Yann-Yu; Tsai, Ping-Kuei; Hsu, Hung-Yi; Wei, Win-Yin; Liao, Chu-Bin Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 17 p. 5065 - 5068