((2-Oxo-2-((tetrahydro-2-oxo-3-thienyl)amino)ethyl)thio)acetic acid (+-)-((((Tetrahydro-2-oxo-3-thienyl)carbamoyl)methyl)thio)acetic acid 84611-23-4 Acetic acid, ((2-oxo-2-((tetrahydro-2-oxo-3-thienyl)amino)ethyl)thio)- Acide ((2-oxo-3-tetrahydrothienylcarbamoyl)-methylthio)acetique [French] DL-S-(2-(N-3-(2-Oxotetrahydrotheinyl)acetamido))thioglycolic acid Erdosteine Erdosteine [INN] Erdosteinum [Latin] PV 144 RV 144