ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,217, issued on Sept. 23, was assigned to FUJIFILM Corp. (Tokyo).
"Pyrazine derivative or salt thereof, and use of same" was invented by Takayuki Yamakawa (Ashigarakami-gun, Japan) and Yasuhiro Tsutsui (Ashigarakami-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a compound useful as an anti-tumor agent or the like, as well as a pharmaceutical composition, an anti-tumor agent, and a dihydroorotate dehydrogenase inhibitor, each of which contains the compound. According to the present invention, a compound represented by General Formula (1) or a salt thereof is provided.In the formula, R1 repr...