2-Methylthio-4,6-pyrimidinedione, S-MTBA, 2-methylmercapto-4,6-dihydroxypyrimidine, S-METHYLTHIOBARBITURIC ACID, 2-Methylthiopyrimidin-4,6-diol; 6-pyriMidinedione; 4,6-Dihydroxy-2-methylmercaptopyrimidine; 2-(Methylthio)pyrimidine-4,6-diol; 4,6-Dihydroxy-2-(methylmercapto)pyrimidine; 2-Mercapto thobarbituric acid; 4,6-Dihydroxy-2-(methylthio)pyrimidine; 2-Methylthio-4; 2-Methylthiobarbituric acid; 2-Methylthio-4,6-pyr; 4,6-Dihydroxy-2-methylthiopyrimidine; 2-methylthio-4,6-dihydroxypyrimidine;