Buy 4-fluoroisobutyrfentanyl Online . It is closely related to 4-fluorofentanyl, which has an EC50 value of 4.2 nM for the human μ-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-yl)isobutyramide

Substance group: Other substances

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

InChI=1S/C23H29FN2O/c1-18(2)23(27)26(21-10-8-20(24)9-11-21)22-13-16-25(17-14-22)15-12-19-6-4-3-5-7-19/h3-11,18,22H,12-17H2,1-2H3

InChI Key: OZDOSQNUJIXEOR-UHFFFAOYSA-N SMILES: O=C(C(C)C)N(C1=CC=C(F)C=C1)C2CCN(CCC3=CC=CC=C3)CC2

Formula: C23H29FN2O

Molar mass: 368.50 g·mol−1
Side effects

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. .
Legality

Buy 4-fluoroisobutyrfentanyl Online.4-Fluoroisobutyrylfentanyl is a Schedule I controlled substance in the United States. In the UK, it is a Class A drug. In Canada, it is a Schedule I drug.
See also

3-Methylbutyrfentanyl
3-Methylfentanyl
4-Fluorofentanyl
α-Methylfentanyl
Acetylfentanyl
Acrylfentanyl
Furanylfentanyl
List of fentanyl analogues

Fentanyl analogues, in which the N-[1-(2-phenethyl)-4-piperidyl]aniline nucleus has additional radicals, either alone or in combination, attached as follows:

(a) an acetyl, propionyl, butenoyl or butanoyl radical, attached to the aniline nitrogen atom:

(b) 1 or more alkyl radicals, with up to 10 carbon atoms in total, attached to the ethyl moiety:

(c) any combination of up to 5 alkyl radicals and/or alkoxy radicals (each with up to 6 carbon atoms, including cyclic radicals) and/or halogen radicals, attached to each of the benzene rings

substitution in or on the phenethyl group with alkyl, alkenyl, alkoxyl, hydroxyl, halo, haloalkyl, amino or nitro groups;
substitution in or on the piperidine ring with alkyl, alkenyl, alkoxyl, ester, ether, hydroxyl, halo, haloalkyl, amino or nitro groups;