The molecule is a phosphatidylcholine O-40:2 in which the alkyl and acyl groups at positions 1 and 2 are octadecyl and (13Z,16Z)-docosadienoyl respectively. It is a phosphatidylcholine O-40:2 and a 2-acyl-1-alkyl-sn-glycero-3-phosphocholine. It derives from a (13Z,16Z)-docosadienoic acid.
[(2R)-2-[(13Z,16Z)-docosa-13,16-dienoyl]oxy-3-octadecoxypropyl] 2-(trimethylazaniumyl)ethyl phosphate