112-Hydroperoxy Eicosatetraenoic AcidProstaglandin E2Cell Membrane15-Hydroperoxy Eicosatetraenoic Acid6-Keto-Prostaglandin F2-alphaThromboxane A315-HETEProstaglandin H2PTGESPTGES25-HETEPeroxidase?LTC4SPTGS2ALOX15BPTGDSPeroxidase?5-HPETELeukotriene A4Thromboxane A2PTGS1Leukotriene E4Leukotriene B4ALOX15Prostaglandin I2Arachidonic acid12-HETEALOX12ALOX15Prostaglandin F2aPNPLA8DPEP1PGE2 9-ketoreducPeroxidase?PLA2G6ALOX5Leukotriene C4PLA2G6ALOX5APGGT1PTGISPGD2 11-ketoreducALOX5Prostaglandin D2PLA2G2AThromboxane B2TBXAS1LTA4HALOX5APLeukotriene D4