Publications database

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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...

EMCDDA–Europol Joint Report on a new psychoactive substance: N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]-furan-2-carboxamide (furanylfentanyl)

In November 2016, the EMCDDA and Europol examined the available information on a new psychoactive substance N -phenyl- N -[1-(2-phenylethyl)piperidin-4-yl]-furan-2-carboxamide, commonly known as furanylfentanyl, through a joint assessment. Furanylfentanyl is a synthetic...

Cover page

EMCDDA–Europol Joint Report on a new psychoactive substance: N-(1-phenethylpiperidin-4-yl)-N-phenylacrylamide (acryloylfentanyl)

In September 2016, the EMCDDA and Europol examined the available information on a new psychoactive substance N-(1-phenethylpiperidin-4-yl)-N-phenylacrylamide, commonly known as acryloylfentanyl, through a joint assessment. The two organisations concluded that sufficient information...

Cover of joint report

EMCDDA–Europol Joint Report on acetylfentanyl

In September 2015, the EMCDDA and Europol examined the available information on a new psychoactive substance N -phenyl- N -[1-(2-phenylethyl)piperidin-4-yl]acetamide (acetylfentanyl), through a joint assessment. The two organisations concluded that sufficient information...