Publications
EMCDDA–Europol Joint Report on a new psychoactive substance: N-(4-fluorophenyl)-N-(1-phenethylpiperidin-4-yl)isobutyramide (4-fluoroisobutyrylfentanyl; 4F-iBF)
In March 2017, the EMCDDA and Europol examined the available information on the new psychoactive substance N-(4-fluorophenyl)-N-(1-phenethylpiperidin-4-yl) isobutyramide, commonly known as 4-fluoroisobutyrylfentanyl (4F-iBF), through a joint assessment. The two organisations launched a...