Synonyms: Thymine(8CI); 2,4-Dihydroxy-5-methylpyrimidine; 4-Hydroxy-5-methylpyrimidin-2(1H)-one;5-Methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione;5-Methyl-2,4(1H,3H)-pyrimidinedione; 5-Methyl-2,4-dihydroxypyrimidine;5-Methylpyrimidine-2,4-dione; 5-Methyluracil; NSC 14705; NSC 168663