(2-Mercaptoethyl)dimethylammonium chloride (Dimethylamino)ethanethiol hydrochloride 1-(Dimethylamino)-2-thioethane hydrochloride 13242-44-9 139138-74-2 161909-82-6 2-(Dimethylamino)ethanethiol hydrochloride 2-Dimethylamino ethanethiol hydrochloride Captamine hydrochloride Captamine hydrochloride [USAN] EINECS 236-221-6 ETHANETHIOL, 2-(DIMETHYLAMINO)-, HYDROCHLORIDE MEDA N,N-Dimethyl-2-aminoethanethiol hydrochloride N,N-Dimethylcysteamine hydrochloride N-(2-Mercaptoethyl)dimethylamine hydrochloride N-Dimethylcysteamine hydrochloride NSC 45463 NSC-45463