Park, Jin-Hun; Chang, Jeong-Soo; El-Gamal, Mohammed I.; Choi, Won-Kyoung; Lee, Woong San; Chung, Hye Jin; Kim, Hyun-Il; Cho, Young-Jin; Lee, Bong Sang; Jeon, Hong-Ryeol; Lee, Yong Sup; Choi, Young Wook; Lee, Jaehwi; Oh, Chang-Hyun Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 19 p. 5895 - 5899