63981-13-5 Ethanethiol, 2-((3-ethylaminopropyl)amino)-, dihydrogen phosphate (ester) sesquihydrate Phosphorothioic acid, S-(2-((3-ethylaminopropyl)amino)ethyl) ester, sesquihydrate Phosphorothioic acid, S-ester with 2-((3-ethylaminopropyl)amino)ethanethiol, sesquihydrate