Nakazato, Atsuro; Sakagami, Kazunari; Yasuhara, Akito; Ohta, Hiroshi; Yoshikawa, Ryoko; Itoh, Manabu; Nakamura, Masato; Chaki, Shigeyuki Journal of Medicinal Chemistry, 2004, vol. 47, # 18 p. 4570 - 4587 doi: 10.1021/jm0400294