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:
Dec. 09, 2025

Filed:

Feb. 09, 2021
Applicants:

Zhangzhou Pien Tze Huang Pharmaceutical Co., Ltd., Fujian, CN;

Shanghai Leado Pharmatech Co. Ltd., Shanghai, CN;

Inventors:

Juan Yu, Fujian, CN;

Youxin Wang, Shanghai, CN;

Tingting Yin, Fujian, CN;

Jinxiang Zeng, Fujian, CN;

Lingling Zhang, Shanghai, CN;

Qiang Ding, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 409/12 (2006.01);
U.S. Cl.
CPC ...
C07D 409/12 (2013.01); C07B 2200/13 (2013.01);
Abstract

Provided are a compound as represented by formula I, a preparation method therefor, and a hydrochloride crystal form A thereof. The compound as represented by formula I and the hydrochloride crystal form A thereof have excellent inhibitory effects on transient receptor potential (TRP) channels, and have good therapeutic effects on TRP channel-associated diseases.


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