2-(2-(2-Phthalimidoethylthio)ethylamino)ethanethiol monosodium phosphate (ester) 31786-74-0 Ethanethiol, 2-(2-(2-phthalimido)ethylthio)ethylamino-, monosodium phosphate (ester) N-(2-(2-Mercaptoethylamino)ethyl)phthalimide monosodium phosphate (ester) Phthalimide, N-(2-((2-((2-mercaptoethyl)amino)ethyl)thio)ethyl)-, monosodium phosphate (ester)