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发明名称
レボノルゲストレルの結晶多形β及びその製造方法
摘要
緊急避妊薬などとして有用なレボノルゲストレルの新規結晶多形及びその製造方法、並びに医薬組成物を提供する。本発明のレボノルゲストレルの結晶多形βは、粉末Ｘ線回折スペクトルにおいて、回折角度２θが、２θ＝１３．９°±０．２°，１４．５°±０．２°，２１．３°±０．２°，２４．９°±０．２°及び２８．２°±０．２°の角度に回折ピークを有し、２θ＝１８．６°±０．２°の角度に回折ピークを実質的に有さない。
申请公布号
JPWO2014175304(A1)
申请公布日期
2017.02.23
申请号
JP20140561676
申请日期
2014.04.23
申请人
あすか製薬株式会社
发明人
岩下 茂樹;林 博之;中川 隆義;宮崎 宏一
分类号
C07J1/00;A61K31/567;A61P15/18
主分类号
C07J1/00
代理机构
代理人
主权项
地址
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