Chang, Hyeun Wook; Jang, Kyoung Hwa; Lee, Doohyun; Kang, Hee Ryong; Kim, Tae-Yoon; Lee, Bong Ho; Choi, Byoung Wook; Kim, Sanghee; Shin, Jongheon Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 12 p. 3589 - 3592