Α-methyl Fentanyl Hydrochloride Cas 1443-44-3 Α-methyl Fentanyl Hydrochloride Cas 1443-44-3 acadiacs.org Description Buy 4-Methyl Phenethyl Acetyl Fentanyl (HCI) is a synthetic opioid substance of the piperidine chemical class that produces analgesic , anxiety suppressing and euphoric effects when admini
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