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:
Mar. 28, 2023

Filed:

Jul. 17, 2022
Applicant:

Shaanxi Panlong Pharmaceutical Co., Ltd., Xi'an, CN;

Inventors:

Chengyuan Liang, Xi'an, CN;

Liang Xin, Xi'an, CN;

Lei Tian, Xi'an, CN;

Jingyi Li, Xi'an, CN;

Xiaolin Xie, Xi'an, CN;

Dezhu Zhang, Xi'an, CN;

Kangxiong Wu, Xi'an, CN;

Shaojun Zhang, Xi'an, CN;

Xiuding Yang, Xi'an, CN;

Sundian Liu, Xi'an, CN;

Yuting Liu, Xi'an, CN;

Zhao Ma, Xi'an, CN;

Xuhua Zhou, Xi'an, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/53 (2006.01); A61P 31/14 (2006.01);
U.S. Cl.
CPC ...
A61K 31/53 (2013.01); A61P 31/14 (2018.01);
Abstract

Disclosed is a compound of formula I, a pharmaceutically acceptable salt, or a tautomer thereof. formula I. R, R, Rand Rare independently selected from the group consisting of hydrogen, methyl group, tert-butyl group, methoxy group, difluoromethyl, trifluoromethyl, trifluoromethoxy, nitro, halogen, phenyl and aromatic heterocyclic; Ris a hydrogen or halogen; and Ris hydrogen, C1-4 alkane or C1-4 cycloalkane.


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