Seto, Shigeki; Okada, Kyoko; Kiyota, Koichi; Isogai, Shigeki; Iwago, Maki; Shinozaki, Takehiro; Kitamura, Yoshiaki; Kohno, Yasushi; Murakami, Koji Journal of Medicinal Chemistry, 2010 , vol. 53, # 13 p. 5012 - 5024