The molecule is a phosphatidylcholine 34:2 in which the acyl groups specified at positions 1 and 2 are (9Z)-octadecenoyl and (9Z)-hexadecenoyl respectively. It derives from an oleic acid and a palmitoleic acid.
[(2R)-2-[(Z)-hexadec-9-enoyl]oxy-3-[(Z)-octadec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate