2-(2-Phthalimidoethylamino)ethanethiol, hydrogen sulfate (ester), hydrate 31792-42-4 Ethanethiol, 2-(2-phthalimidoethylamino)-, hydrogen sulfate (ester), hydrate N-(2-(2-Mercaptoethylamino)ethyl)phthalimide, hydrogen sulfate (ester), hydrate Phthalimide, N-(2-(2-mercaptoethylamino)ethyl)-, hydrogen sulfate (ester), hydrate