The molecule is a phosphatidylcholine 38:6 in which the acyl groups specified at positions 1 and 2 are (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl and (9Z)-octadecenoyl respectively. It derives from an oleic acid and an all-cis-5,8,11,14,17-icosapentaenoic acid.
[(2R)-3-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl]oxy-2-[(Z)-octadec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate