Revising the structure of a new eicosanoid from human platelets to 8,9-11,12-diepoxy-13-hydroxy-eicosadienoic acid — Generation of a diepoxy-eicosanoid by cyclooxygenase-1 — Revising the structure of a new eicosanoid from human platelets to 8,9–11,12-diepoxy-13-hydroxyeicosadienoic acid — Generation of a diepoxyeicosanoid by cyclooxygenase-1