Xylazine is a structural analog of clonidine and an α₂-adrenergic receptor agonist, sold under many trade names worldwide, most notably the Bayer brand name Rompun, as well as Anased, Sedazine and Chanazine. From Wikipedia
Authorities say she supplied a lethal fentanyl-xylazine mix that caused a chef’s overdose; she now faces related drug charges in jail without bond.