The molecule is a phosphatidylcholine 42:0 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and docosanoyl respectively. It derives from an icosanoic acid and a docosanoic acid.
[(2R)-2-docosanoyloxy-3-icosanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate