1,3-Diazaspiro(4.5)decane-2,4-dione, 3-(2-hydroxyethyl)-1-(p-ethoxyphenyl)- 3'-(2-Hydroxyethyl)-1'-(p-ethoxyphenyl)cyclohexanespiro-5'-hydantoin 5-24-07-00301 (Beilstein Handbook Reference) 902-88-5 BRN 0842412