The molecule is a 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine betaine which has octadecyl as the alkyl group. PAF is a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis. It has a role as an antihypertensive agent, a beta-adrenergic antagonist, a hematologic agent, a vasodilator agent and a bronchoconstrictor agent.
[(2R)-2-acetyloxy-3-octadecoxypropyl] 2-(trimethylazaniumyl)ethyl phosphate