The molecule is a phosphatidylcholine 40:3 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and (11Z,14Z,17Z)-eicosatrienoyl respectively. It derives from an all-cis-icosa-11,14,17-trienoic acid and an icosanoic acid.
[(2R)-3-icosanoyloxy-2-[(11Z,14Z,17Z)-icosa-11,14,17-trienoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate