2-((2-Hydroxyethyl)(1-oxohexadecyl)amino)ethyl palmitate 65186-10-9 EINECS 265-605-6 Hexadecanoic acid, 2-((2-hydroxyethyl)(1-oxohexadecyl)amino)ethyl ester Palmitic acid, 2-(N-(2-hydroxyethyl)hexadecanamido)ethyl ester