Description

Buy 4-fluoroisobutyrfentanyl Powder Online.

 from a Vendor In the USA With Guaranteed Delivery Worldwide.

Buy 4-fluoroisobutyrfentanyl powder (also known as 4-FIBF and p-FIBF) is an opioid is an analogue of butyrfentanyl and a structural isomer of 4-Fluorobutyrfentanyl and has been sold online as a designer drug.

It is closely related to 4-fluoro fentanyl, which has an EC50 value of 4.2 nM for the human ?-opioid receptor.

DESCRIPTION
Names: 4-Fluoroisobutyrfentanyl para-fluoroisobutyrfentanyl, N-(4-fluorophenyl)-N-(1-phenethylpiperidin 4-yl)isobutyramide pFIBF, 4-FIBF,

IUPAC name: N-(4-fluorophenyl)-N-(1-phenethylpiperidin-4-isobutyrate

Substance group: Other substances

This substance is included in Schedule I of the 1961 Single Convention on Narcotic Drugs

I

Formula: C23H29FN2O

Molar mass: 368.50 g·mol?1

Side effects
Side effects of fentanyanaloguesgs are similar to those of fentanyl itself, which include itching, nausea and potentially serious respiratory depression, which can be life-threatening.

Fentanyl analogues have killed hundreds of people throughout Europe and the former Soviet republics since the most recent resurgence in use began in Estonia in the early 2000s, and novel derivatives continue to appear.