Synonyms: 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-ethyl-5-(1-methylethyl)-, monosodium salt (9CI); Barbituric acid,5-ethyl-5-isopropyl-, sodium deriv. (7CI); Barbituric acid,5-ethyl-5-isopropyl-, sodium salt (8CI); Probarbital sodium (6CI);5-Ethyl-5-isopropylbarbituric acid sodium; Ipral sodium; Probarbitone sodium;Sodium 5-ethyl-5-isopropylbarbiturate; Sodium probarbital