5-Ethyl-5-(1-(ethylthio)ethyl)-2-thiobarbituric acid sodium salt 66968-39-6 BARBITURIC ACID, 5-ETHYL-5-(1-(ETHYLTHIO)ETHYL)-2-THIO-, SODIUM SALT Sodium 5-ethyl-5-(1-(ethylthio)ethyl)-2-thiobarbiturate