4-Fluorobutyrylfentanyl (also known as 4-FBF and p-FBF or para-fluorobutyrylfentanyl) is an opioid analgesic that is an analog of butyrfentanyl and has been sold online as a designer drug. [1] [2] It is closely related to 4-fluorofentanyl, which has an EC 50 value of 4.2 nM for the human μ-opioid receptor. [3]

4-Fluorobutyrfentanyl | C23H29FN2O | CID 86280430 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

4-Fluoroisobutyrylfentanyl (also known as 4-FIBF and p-FIBF) is an opioid analgesic that is an analog of butyrfentanyl and structural isomer of 4-Fluorobutyrfentanyl and has been sold online as a designer drug.

In this study, identification and analytical characterization of a new fentanyl derivative, 4-fluorobutyrfentanyl (1- ( (4-fluorophenyl) (1-phenethylpiperidin-4-yl)amino)butan-1-one, 4-FBF), is described. Apart from the seized powder, 4-FBF was also identified in the e-cigarette liquid secured in Case 1.

2016年11月9日 · In this study, identification and analytical characterization of a new fentanyl derivative, 4-fluorobutyrfentanyl (1-((4-fluorophenyl)(1-phenethylpiperidin-4-yl)amino)butan-1-one, 4-FBF), is described. Apart from the seized powder, 4-FBF was also identified in the e-cigarette liquid secured in Case 1.

2023年6月14日 · We report on a case of a 35-year-old man who died suddenly and unexpectedly due to a 4-fluoroisobutyrylfentanyl (4-FIBF) mono-intoxication. Pathological, toxicological and chemical investigations were conducted at the Netherlands Forensic Institute.

4-Fluoroisobutyryl fentanyl | C23H29FN2O | CID 100974914 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

ChemSpider record containing structure, synonyms, properties, vendors and database links for 4-Fluorobutyrfentanyl, 244195-31-1, 4-FBF, QZFMCYUBPSLOBP-UHFFFAOYSA-N

2016年11月1日 · In this study, identification and analytical characterization of a new fentanyl derivative, 4-fluorobutyrfentanyl (1- ( (4-fluorophenyl) (1-phenethylpiperidin-4-yl)amino)butan-1-one,...

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