<prompt> Preformed mediator of inflammation isSerotoninProstaglandinDopamineLeukotrienes  <response>: Chemical mediators of inflammation Cellular mediatorsPreformed mediators in secretory granulesNewly synthesizedHistamineSerotonin Lysosomal enzymes ProstaglandinsLeukotrienesPlatelet-activating factorActivated oxygen species Nitric oxide Cytokines Plasma mediatorsFactor XII activationComplement activationKinin system Coagulation fibrinolysis system C3aC5aC3bC5b - 9 Refer: Robbins Cotrans - Pathologic Basis of Disease, SAE, 1st edition, Vol I-pg no: 82-85 