1-palmitoyl-2-docosahexaenoyl-sn-glycero-3-phospho-(1'-rac-glycerol) (sodium salt) is a sodium salt of glycerophospholipid, with substitution of palmitic acid, docosahexaenic acid and phospho-rac-(1-glycerol) at the sn-1, sn-2 and sn-3 positions respectively, in the glycerol backbone. It has been used in liposome preparation.