申请人:Yamamoto Katsuhiko
公开号:US20140113932A1
公开(公告)日:2014-04-24
The present invention relates to a crystal of 1-ethyl-7-methyl-3-4-[(3-methyl-3H-imidazo[4,5-b]pyridin-2-yl)oxy]phenyl}-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one useful as a prophylactic or therapeutic agent for schizophrenia and the like, which shows an X-ray powder diffraction pattern having characteristic peaks at interplaner spacings (d) of 13.59 plus or minus 0.2 and 6.76 plus or minus 0.2 Angstroms in powder X-ray diffraction.
本发明涉及一种晶体,其化学式为1-乙基-7-甲基-3-4-[(3-甲基-3H-咪唑[4,5-b]吡啶-2-基)氧基]苯基}-1,3-二氢-2H-咪唑[4,5-b]吡啶-2-酮,可用作预防或治疗精神分裂症等疾病的药物。该晶体在粉末X射线衍射中显示出特征峰,其间隔距离(d)为13.59加减0.2和6.76加减0.2埃。