4-((2R,4S,4aS)-11-fluoro-2,4-dimethyl-2',4',6'-trioxo-2,2',3',4,4a,4',6,6'-octahydro-1H,1'H-spiro[isoxazolo[4,5-g][1,4]oxazino[4,3-a]quinoline-5,5'-pyrimidine]-8-yl)pyrimidine-2-carbonitrile (HCID 45254029)|化工社