Nagaya, Yuki; Kitamura, Yoshiaki; Shibata, Aya; Ikeda, Masato; Akao, Yukihiro; Kitade, Yukio Bioorganic and Medicinal Chemistry Letters, 2017, vol. 27, # 24 p. 5454 - 5456 doi: 10.1016/j.bmcl.2017.10.070