The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 04, 2026

Filed:

Jan. 28, 2022
Applicants:

Minghui Pharmaceutical (Hangzhou) Limited, Hangzhou, CN;

Minghui Pharmaceutical (Shanghai) Limited, Shanghai, CN;

Inventors:

Ao Li, Shanghai, CN;

Yile Chen, Hangzhou, CN;

Guoqing Cao, Hangzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/22 (2006.01); A61P 35/00 (2006.01);
U.S. Cl.
CPC ...
C07D 491/22 (2013.01); A61P 35/00 (2018.01);
Abstract

The present invention provides a toxin molecule suitable for an antibody drug conjugate. In particular, the present invention provides a compound represented by formula (I) below or a pharmaceutically acceptable salt or hydrate thereof. The compound of the present invention can be used in the preparation of a pharmaceutical composition for treating diseases associated with tumor cell proliferation.


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