Jerome R. BagleyRichard L. WynnFrieda G. RudoBrian M. DoorleyH. Kenneth Spencer2012-11-202025-02-172012-11-202012-11-20https://dl.ftveti.edu.et/handle/123456789/4189New 4-(Heteroanilido)piperidines, Structurally Related to the Pure Opioid Agonist Fentanyl, with Agonist and/or Antagonist PropertiesNew 4-(Heteroanilido)piperidines, Structurally Related to the Pure Opioid Agonist Fentanyl, with Agonist and/or Antagonist PropertiesenNew 4-(Heteroanilido)piperidines, Structurally Related to the Pure Opioid Agonist Fentanyl, with Agonist and/or Antagonist PropertiesArticle