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发明名称
Formoterol tartrate process and polymorph
摘要
A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
申请公布号
US7479572(B2)
申请公布日期
2009.01.20
申请号
US20080013848
申请日期
2008.01.14
申请人
发明人
分类号
C07C231/20;C07C233/03
主分类号
C07C231/20
代理机构
代理人
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