Butyr fentanyl


Butyr fentanyl is a potent short-acting synthetic opioid analgesic drug. It is an analog of fentanyl with around one quarter of its potency. Also, one of the first mentions of this drug can be found in document written by the College on Problem of Drug Dependence, where they mention it as N-butyramide fentanyl analog, this document states that the article describing its clinical effects was published in 1987. It is an agonist for the μ-opioid receptors. Butyr fentanyl  for sale