Park, Jung-Eun; Ji, Wan Keun; Jang, Jae Wan; Pae, Ae Nim; Choi, Keehyun; Choi, Ki Hang; Kang, Jahyo; Roh, Eun Joo Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 6 p. 1887 - 1890