The molecule is a phosphatidylcholine 40:1 in which the acyl groups specified at positions 1 and 2 are (9Z)-octadecenoyl and docosanoyl respectively. It derives from an oleic acid and a docosanoic acid.
[(2R)-2-docosanoyloxy-3-[(Z)-octadec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate