111526-26-2 3',4'-Dihydro-1-(2-hydroxyethyl)spiro(imidazolidine-4,2'(1'H)-naphthalene)-2,5-dione 4-24-00-01555 (Beilstein Handbook Reference) BRN 0031172 S.2-871 Spiro(imidazolidine-4,2'(1'H)-naphthalene)-2,5-dione, 3',4'-dihydro-1-(2-hydroxyethyl)-