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