2-(5-Phthalimidopentylamino)ethanethiol hydrogen phosphate (ester) 31786-66-0 BRN 1500674 Ethanethiol, 2-(5-phthalimidopentylamino)-, hydrogen phosphate (ester) N-(5-(2-Mercaptoethylamino)pentyl)phthalimide hydrogen phosphate (ester) Phthalimide, N-(5-(2-mercaptoethylamino)pentyl)-, hydrogen phosphate (ester)