Synonyms: AC1MJ8YV;AKOS003680373;LS-146165;116719-49-4;7'-amino-5-fluoro-2,2',4'-trioxospiro[1H-indole-3,5'-1H-pyrano[2,3-d]pyrimidine]-6'-carbonitrile;Spiro(3H-indole-3,5'(5H)-pyrano(2,3-d)pyrimidine)-6'-carbonitrile, 1,1',2,2',3',4'-hexahydro-7'-amino-5-fluoro-2,2',4'-trioxo-