Kim, Jinyoung; Kim, Ki-Sun; Lee, Hyo Seon; Park, Kwang-Su; Park, Sun Young; Kang, Seock-Yong; Lee, Soo Jae; Park, Hyung Soon; Kim, Dong-Eun; Chong, Youhoon Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 16 p. 4661 - 4665