2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-1-(methoxymethyl)-3-methyl-5-phenyl- (9CI) 3-(Methoxymethyl)-1-methylphenobarbital 42061-68-7 5-24-09-00296 (Beilstein Handbook Reference) 5-Ethyl-3-(methoxymethyl)-1-methyl-5-phenylbarbituric acid BARBITURIC ACID, 5-ETHYL-3-(METHOXYMETHYL)-1-METHYL-5-PHENYL- BRN 0760981