CA3186000A1 — Crystal form of pyridazine derivative free base, and preparation method therefor and use thereof
Assigned to Jiangsu Hansoh Pharmaceutical Group Co Ltd · Expires 2022-01-27 · 4y expired
What this patent protects
The present invention relates to a crystal form of a pyridazine derivative free base and a preparation method therefor and the use thereof. Specifically, the present invention relates to a compound as represented by general formula (I), a crystal form thereof, a preparation metho…
USPTO Abstract
The present invention relates to a crystal form of a pyridazine derivative free base and a preparation method therefor and the use thereof. Specifically, the present invention relates to a compound as represented by general formula (I), a crystal form thereof, a preparation method therefor, a pharmaceutical composition containing a therapeutically effective amount of the compound or a crystal form thereof, and the use thereof in the preparation of TYK2 inhibitor drugs.
Drugs covered by this patent
- Sotyktu (DEUCRAVACITINIB) · Bristol-Myers Squibb
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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