The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and 5-oxovaleryl groups at the 1- and 2-positions respectively. It is a conjugate acid of a 1-O-palmitoyl-2-O-(5-oxovaleryl)-sn-glycero-3-phosphocholine.
2-[[(2R)-3-hexadecanoyloxy-2-(5-oxopentanoyloxy)propoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium