The molecule is a phosphatidylcholine 34:4 in which the acyl groups specified at positions 1 and 2 are hexadecanoyl and (6Z,9Z,12Z,15Z)-octadecatetraenoyl respectively. It derives from a hexadecanoic acid and an all-cis-octadeca-6,9,12,15-tetraenoic acid.
[(2R)-3-hexadecanoyloxy-2-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate