(untitled) - Yamamoto, Y; Kawanishia, E; Koga, Y; Sakamakia, S; Sakamotoa, Y; Uetab, K; Matsushitab, Y; Kuriyamab, Ch; Tsuda-Tsukimotoc, M; Nomuraa, S (Bioorg. Med. Chem. Lett., 2013)