1-O-Alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine 65154-06-5 AGEPC Antihypertensive polar renomedullary lipid Blood platelet activating factor - acether Blood platelet-activating factor PAF-acether Platelet activating factor Platelet activating factor phosphatidate Platelet activating factor-acether Platelet-activating factor