Synonyms: Barbituricacid, 5,5-diethyl-1-methyl- (8CI); Metharbital (6CI); 1-Methylbarbital;5,5-Diethyl-1-methyl-2,4,6(1H,3H,5H)-pyrimidinetrione;5,5-Diethyl-1-methylbarbituric acid; Endiemalum; Gemonil; Gemonit;Metabarbital; Methabarbitone; Metharbitone; Methylbarbital; N-Methylbarbital;NSC 27156; Sch 412