The molecule is a phosphatidylcholine 24:0 in which the acyl groups specified at positions 1 and 2 are undecanoyl and tridecanoyl respectively. It derives from an undecanoic acid and a tridecanoic acid.
[(2R)-2-tridecanoyloxy-3-undecanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate