1,2-Dihexadecyl-sn-glycero-3-phosphoethanolamine 1,2-Dipalmitoyl-3-phosphatidylethanolamine 1,2-Dipalmitoyl-rac-glycerophosphoethanolamine 3026-45-7 DHPE Dipalmitoyl cephalin Dipalmitoyl phosphatidylethanolamine Hexadecanoic acid, 1-((((2-aminoethoxy)hydroxyphosphinyl)oxy)methyl)-1,2-ethanediyl ester Phosphatidylethanolamine dipalmitoate