The molecule is a phosphatidylcholine 42:1 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and (13Z)-docosenoyl respectively. It derives from an icosanoic acid and an erucic acid.
[(2R)-2-[(Z)-docos-13-enoyl]oxy-3-icosanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate