The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups specified at positions 1 and 2 are palmitoyl (hexadecanoyl) and (9E,13E)-octadeca-9,13-dienoyl respectively.
2-[[(2R)-3-hexadecanoyloxy-2-[(9E,13E)-octadeca-9,13-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium