63981-12-4 Ethanethiol, 2-((2-ethylaminoethyl)amino)-, dihydrogen phosphate (ester), hydrate (2:2:5) Phosphorothioic acid, S-(2-((2-ethylaminoethyl)amino)ethyl) ester, hydrate (2:2:5) Phosphorothioic acid, S-ester with 2-((2-ethylaminoethyl)amino)ethanethiol, hydrate (2:2:5)