ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,475, issued on Jan. 27, was assigned to Sumitomo Pharma Co. Ltd. (Osaka, Japan).
"Bicyclic pyridine derivative" was invented by Satoshi Adachi (Osaka, Japan), Hidefumi Yoshinaga (Osaka, Japan), Hajime Shibata (Osaka, Japan), Yusuke Shioda (Osaka, Japan) and Riko Nagahama (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides bicyclic pyridine derivatives.A compound represented by formula I: or a pharmaceutically acceptable salt thereof, wherein X is a oxygen atom, sulfur atom, NR, or CR'R", n is 0 or 1, R1, R2a, R2b, R2c, R2d, R, R' and R" are each independently a hydrogen atom, a halogen atom, optionally substi...