2-(Ethyl(2-(stearoylamino)ethyl)amino)ethyl stearate mono(ethyl sulphate) 67952-48-1 EINECS 267-901-0 Ethyl-2-stearamidoethyl-2-stearoyloxyethylammonium ethosulfate Octadecanoic acid, 2-(ethyl(2-((1-oxooctadecyl)amino)ethyl)amino)ethyl ester, mono(ethyl sulfate)