Synonyms: ethyl(2,5-dioxo-3',4'-dihydro-1h,1'h-spiro[imidazolidine-4,2'-naphthalen]-1-yl)acetate;968-76-3;NSC150480;AC1Q6FEV;AC1L6AV7;AR-1J0137;NSC-150480;ethyl (2,5-dioxo-3',4'-dihydro-1H,1'H-spiro[imidazolidine-4,2'-naphthalen]-1-yl)acetate;ethyl 2-(2',5'-dioxospiro[2,4-dihydro-1H-naphthalene-3,4'-imidazolidine]-1'-yl)acetate