ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,855, issued on March 4, was assigned to DAIICHI SANKYO COMPANY Ltd. (Tokyo).
"Pyrrolopyrazole derivative" was invented by Hidenori Namiki (Tokyo), Masanori Saitou (Tokyo), Satoshi Matsui (Tokyo), Yoshihiro Shibata (Tokyo), Yoshito Kawamoto (Tokyo), Rie Ichikawa (Tokyo), Yohei Yoshihama (Tokyo) and Akiko Otsuka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a low molecular compound that inhibits phosphatidylserine synthase 1 or a pharmaceutically acceptable salt thereof, a pharmaceutical containing thereof, and a therapeutic agent for cancer having a suppressed function of phosphatidylserine synthase 2. The compo...