1,3-Bis(butoxymethyl)-5-ethyl-5-phenylbarbituric acid 27512-02-3 5-24-09-00292 (Beilstein Handbook Reference) BRN 0583894 Barbituric acid, 1,3-bis(butoxymethyl)-5-ethyl-5-phenyl- N,N'-Dibutoxymethyl phenobarbital