5-(1-(Butylthio)propyl)-5-ethyl-2-thiobarbituric acid sodium salt 67050-80-0 BARBITURIC ACID, 5-(1-(BUTYLTHIO)PROPYL)-5-ETHYL-2-THIO-, SODIUM SALT Sodium 5-(1-(butylthio)propyl)-5-ethyl-2-thiobarbiturate