The molecule is a phosphatidylcholine 34:0 in which the two acyl substituents at positions 1 and 2 are specified as stearoyl and palmitoyl respectively. It is a phosphatidylcholine 34:0 and a 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphocholine. It derives from an octadecanoic acid.
[(2R)-2-hexadecanoyloxy-3-octadecanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate