发明名称 Stable crystalline (6R) -tetrahydrofolic acid
摘要 Pure and extremely stable crystalline (6R)-tetrahydrofolic acids, absolutely inert even when exposed to air and elevated temperature without stabilizers being added, are prepared by a crystallization process at a pH of >=2.
申请公布号 US6596721(B2) 申请公布日期 2003.07.22
申请号 US20010755072 申请日期 2001.01.08
申请人 EPROVA AG 发明人 MUELLER HANS RUDOLF;ULMANN MARTIN;MOSER RUDOLF;AMMANN THOMAS
分类号 A61K31/505;A61K31/519;A61K31/525;A61P3/02;A61P7/06;A61P17/06;A61P19/02;A61P29/00;A61P33/10;A61P37/06;A61P39/02;A61P43/00;C07D239/00;C07D241/00;C07D475/04;(IPC1-7):C07D475/04 主分类号 A61K31/505
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