The molecule is a 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at position 1 and 2 are specified as arachidonoyl and palmitoyl respectively. It is a 1,2-diacyl-sn-glycero-3-phosphocholine and a phosphatidylcholine (20:4/16:0). It derives from a hexadecanoic acid and an arachidonic acid.
[(2R)-2-hexadecanoyloxy-3-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate