CN Patent

CN111320619A — 一种类酰胺类衍生物的杂质及用途

Assigned to Nhwa Pharmaceutical Corp · Expires 2020-06-23 · 6y expired

What this patent protects

一种类酰胺类衍生物的杂质及用途。本发明属于医药化学领域，具体涉及杂质A、杂质B和杂质G，及其制备方法以及作为式Ⅵ所示化合物质量控制的参照标准品的应用，

USPTO Abstract

一种类酰胺类衍生物的杂质及用途。本发明属于医药化学领域，具体涉及杂质A、杂质B和杂质G，及其制备方法以及作为式Ⅵ所示化合物质量控制的参照标准品的应用，

Drugs covered by this patent

Patent Metadata

Patent number
CN111320619A
Jurisdiction
CN
Classification
—
Expires
2020-06-23
Drug substance claim
No
Drug product claim
No
Assignee
Nhwa Pharmaceutical Corp
Source
FDA Orange Book + USPTO grounding via Google Patents

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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.