Synonyms: AC1MJ8YY;LS-146167;116719-50-7;ethyl 7'-amino-6-fluoro-2,2',4'-trioxospiro[1H-indole-3,5'-1H-pyrano[2,3-d]pyrimidine]-6'-carboxylate;Spiro(3H-indole-3,5'(5H)-pyrano(2,3-d)pyrimidine)-6'-carboxylic acid, 1,1',2,2',3',4'-hexahydro-7'-amino-6-fluoro-2,2',4'-trioxo-, ethyl ester