5-(1-(Butylthio)ethyl)-5-ethyl-2-thiobarbituric acid sodium salt 67050-67-3 BARBITURIC ACID, 5-(1-(BUTYLTHIO)ETHYL)-5-ETHYL-2-THIO-, SODIUM SALT Sodium 5-(1-(butylthio)ethyl)-5-ethyl-2-thiobarbiturate