ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,837, issued on July 14, was assigned to CISEN PHARMACEUTICAL Co. LTD (Jining, China).

"Aminopyrimidine compound as CDK2/4/6 triple inhibitor" was invented by Ming Zhou (Shanghai), Zhaobing Xu (Shanghai), Gang Li (Shanghai), Lihong Hu (Shanghai), Charles Z. Ding (Shanghai), Wen Jiang (Shanghai), Guoping Hu (Shanghai), Jian Li (Shanghai) and Shuhui Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an aminopyrimidine compound as a CDK2/4/6 inhibitor, and specifically disclosed are the compound represented by formula (I) and a pharmaceutically acceptable salt thereof, and an application of the compound represented by formula (I)...