MITSUBISHI TANABE PHARMA CORPORATION; SAKURAI, Osamu; SARUTA, Kunio; HAYASHI, Norimitsu; GOI, Takashi; MOROKUMA, Kenji; TSUJISHIMA, Hidekazu; SAWAMOTO, Hiroaki; SHITAMA, Hiroaki; IMASHIRO, Ritsuo Patent: WO2012/81736 A1, 2012 ; Location in patent: Page/Page column 82 ; WO 2012/081736 A1