5-sec-Butyl-5-(ethylthiomethyl)-2-thiobarbituric acid sodium salt 67050-34-4 BARBITURIC ACID, 5-sec-BUTYL-5-(ETHYLTHIOMETHYL)-2-THIO-, SODIUM SALT Sodium 5-sec-butyl-5-(ethylthiomethyl)-2-thiobarbiturate