CN Patent
CN106220639A — 一种维帕他韦中间体新晶型
Assigned to SHANGHAI FOREFRONT PHARMA · Expires 2016-12-14 · 9y expired
What this patent protects
本发明涉及一种维帕他韦中间体新晶型。具体地,本发明公开了式I化合物的多晶型物及其制备方法,所述多晶型物具有良好的纯化效果。
USPTO Abstract
本发明涉及一种维帕他韦中间体新晶型。具体地,本发明公开了式I化合物的多晶型物及其制备方法,所述多晶型物具有良好的纯化效果。
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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