The molecule is a phosphatidylcholine 38:4 in which the acyl groups specified at positions 1 and 2 are (9Z)-octadecenoyl and (5Z,8Z,11Z)-eicosatrienoyl respectively. It derives from an oleic acid and a (5Z,8Z,11Z)-icosatrienoic acid.
[(2R)-2-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyl]oxy-3-[(Z)-octadec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate