BUTYRFENTANYL
Buy Butyrfentanyl Online https://pharmasource1.com/product/butyrfentanyl/ Butyrfentanyl (hydrochloride) binds the μ-opioid receptor with lower affinity compared to fentanyl (IC50s = 60 versus 2 nM and Kis = 32 versus 1.06 nM, respectively).1 It has been identified as one of several process impurities…