Senkyunolide I is an orally active, blood-brain barrier-permeable metabolite of Z-ligustilide (HY-N0401A). Senkyunolide I is isolated from Ligusticum chuanxiong. Senkyunolide I upregulates p-Erk1/2 and Nrf2/HO-1, and inhibits Caspase 3. Senkyunolide I alleviates Apoptosis. Senkyunolide I increases the pain threshold in mice and reduces acetic acid-induced writhing responses in mice. Senkyunolide I improves neurological deficits, reduces infarct volume and alleviates cerebral edema in rats with focal cerebral ischemia-reperfusion injury. Senkyunolide I protects renal function and structural integrity in a mouse model of renal ischemia-reperfusion injury. Senkyunolide I is applicable to research related to focal cerebral ischemia-reperfusion injury, migraine, and renal ischemia-reperfusion injury[1][2][3].