The chemical Platelet activating factor has a known molecular formula of C26-H54-N-O7-P. Synonyms may include: 1-Hexadecyl-2-acetyl-glycero-3-phosphocholine, APRL, Hag-PC, 1-O-Hexadecyl-2-O-acetyl-sn-glycero-3-phosophocholine, 1-O-Hexadecyl-2-O-acetyl-sn-glyceryl-3-phosphorylcholine, Hexadecyl-paf-acether, C16-PAF, Platelet-activating factor C16, 1-O-Hexadecyl-platelet-activating factor, 1-O-Hexadecyl-2-acetyl-sn-glyceryl-3-phosphorylcholine, 1-O-Hexadecyl-2-acetyl-sn-glycero-3-phosphocholine (ChemID).