Synonyms: 2,4,6(1H,3H,5H)-Pyrimidinetrione,1,3-bis[2-[(aminocarbonyl)oxy]-3-butoxypropyl]-5-ethyl-5-phenyl- (9CI);Barbituric acid, 1,3-bis(3-butoxy-2-hydroxypropyl)-5-ethyl-5-phenyl-,dicarbamate (ester) (8CI);1,3Bis(3-butoxy-2-hydroxypropyl)-5-ethyl-5-phenylbarbituric acid dicarbamateester; Difebarbamate