Lee, Ki-Ho; Park, Chun-Eung; Min, Kyung-Hyun; Shin, Yong-Je; Chung, Coo-Min; Kim, Hui-Ho; Yoon, Hae-Jeoung; Won-Kim; Ryu, Eun-Ju; Shin, Yu-Jin; Nam, Hyun-Sik; Cho, Jeong-Woo; Lee, Hee-Yoon Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 18 p. 5567 - 5571