Synonyms : 2-Mercaptopropionylglycine, 2-Thiol-propionamido-acetic Acid, 2-Thiolpropionamidoacetic Acid, Meprin, Thiola, Tiopronine, alpha-Mercaptopropionylglycine, 2 Mercaptopropionylglycine, 2 Thiol propionamido acetic Acid, 2 Thiolpropionamidoacetic Acid