6940-79-0 ACETIC ACID, 2-(2-MERCAPTOETHYL)AMINO-, HYDROCHLORIDE Ethanethiol, 2-amino-N-carboxymethyl-, hydrochloride Glycine, N-(2-mercaptoethyl)-, hydrochloride (8CI)(9CI) N-Carboxymethyl-2-aminoethane thiol hydrochloride NSC 60196