5-Ethyl-5-(isopropylthiomethyl)-1-methylbarbituric acid sodium salt 66968-65-8 BARBITURIC ACID, 5-ETHYL-5-(ISOPROPYLTHIOMETHYL)-1-METHYL-, SODIUM SALT Sodium 5-ethyl-5-(isopropylthiomethyl)-1-methylbarbiturate