Oh, Ki-Bong; Jeon, Heung Bae; Han, Yu-Ri; Lee, Yeon-Ju; Park, Jiyoung; Lee, So-Hyoung; Yang, Dongsik; Kwon, Mihyun; Shin, Jongheon; Lee, Hyi-Seung Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 22 p. 6644 - 6648