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:
Nov. 10, 2020

Filed:

May. 23, 2017
Applicants:

Cstone Pharmaceutical (Suzhou) Co., Ltd., Jiangsu, CN;

Cstone Pharmaceuticals (Shanghai) Co., Ltd., Shanghai, CN;

Cstone Pharmaceuticals, Grand Cayman, KY;

Inventors:

Jianfei Wang, Shanghai, CN;

Yang Zhang, Shanghai, CN;

Wenyuan Zhu, Shanghai, CN;

Shuhui Chen, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 409/04 (2006.01); A61P 19/06 (2006.01); C07D 409/14 (2006.01); C07D 495/04 (2006.01); C07D 405/04 (2006.01);
U.S. Cl.
CPC ...
C07D 409/04 (2013.01); A61P 19/06 (2018.01); C07D 405/04 (2013.01); C07D 409/14 (2013.01); C07D 495/04 (2013.01);
Abstract

The present invention discloses a thiophene used as a uric acid transporter (URAT1) inhibitor and application of the thiophene in preparing a pharmaceutical product for treating a disease related to abnormal uric acid levels, specifically in preparing a pharmaceutical product for treating hyperuricemia and gouty arthritis. The invention specifically relates to a compound as represented by formula (I) or a pharmaceutically acceptable salt thereof.


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