US 12,319,656 B2
Compound as potassium channel regulator and preparation and use thereof
Bo Liang, Shanghai (CN); Gang Liu, Shanghai (CN); and Huanming Chen, Shanghai (CN)
Assigned to SHANGHAI ZHIMENG BIOPHARMA, INC., Shanghai (CN)
Appl. No. 17/642,387
Filed by Shanghai Zhimeng Biopharma, Inc., Shanghai (CN)
PCT Filed Dec. 20, 2021, PCT No. PCT/CN2021/139779
§ 371(c)(1), (2) Date Mar. 11, 2022,
PCT Pub. No. WO2022/174667, PCT Pub. Date Aug. 25, 2022.
Claims priority of application No. 2021112518651 (CN), filed on Oct. 27, 2021.
Prior Publication US 2023/0212125 A1, Jul. 6, 2023
Int. Cl. C07D 217/04 (2006.01)
CPC C07D 217/04 (2013.01) 10 Claims
 
1. A compound shown in formula A or a pharmaceutically acceptable salt thereof,

OG Complex Work Unit Chemistry