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An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
The synthesis of fentanyl and its analogues are illustrated in this skeletal diagram. Part II. The modifications covered in this diagram have to do with carbon skeleton modifications of the original fentanyl molecular structure. These are organized into methyl acetate additions, which are most known for the fentanyl -> carfentanil conversion.
Benzylfentanyl (R-4129) is a fentanyl analog. [1] It was temporarily placed in the US Schedule I by emergency scheduling in 1985 due to concerns about its potential for abuse as a designer drug, but this placement was allowed to expire and benzylfentanyl was formally removed from controlled substance listing in 2010, after the DEA's testing determined it to be "essentially inactive" as an ...
Butyrfentanyl or butyrylfentanyl is a potent short-acting synthetic opioid analgesic drug.It is an analog of fentanyl with around one quarter of its potency. One of the first mentions of this drug can be found in document written by The College on Problem of Drug Dependence, where it is mentioned as N-butyramide fentanyl analog. [1]
Side effects of fentanyl analogs are similar to those of fentanyl itself, which include itching, nausea and potentially serious respiratory depression, which can be life-threatening. Fentanyl analogs have killed hundreds of people throughout Europe and the former Soviet republics since the most recent resurgence in use began in Estonia in the ...
β-Hydroxyfentanyl is an opioid analgesic that is an analogue of fentanyl.. β-Hydroxyfentanyl was sold briefly on the black market in the early 1980s, before the introduction of the Federal Analog Act which for the first time attempted to control entire families of drugs based on their structural similarity rather than scheduling each drug individually as they appeared.
Benzoylfentanyl, also known as phenylfentanyl, is an opioid analgesic that is an analog of fentanyl and has been sold as a designer drug. [ 1 ] [ 2 ] In the United States, benzoylfentanyl was first identified in Drug Enforcement Administration drug seizures in 2018.
Parafluorofentanyl (4-fluorofentanyl, pFF) is an opioid analgesic analogue of fentanyl developed by Janssen Pharmaceuticals in the 1960s. [1]4-Fluorofentanyl was sold briefly on the US black market in the early 1980s, [citation needed] before the introduction of the Federal Analog Act which for the first time attempted to control entire families of drugs based on their structural similarity ...