Dainippon Sumitomo Pharma Co., Ltd.; MARUYAMA, Megumi; KINOMURA, Naoya; NOJIMA, Satoshi; TAKAMURA, Masahiro; KAKIGUCHI, Keisuke; TATAMITANI, Hiroto Patent: WO2011/111875 A1, 2011 ; WO 2011/111875 A1