4-Methoxy-butyryl fentanyl

ID: Reference4870

C₂₄H₃₂N₂O₂

N-(4-Methoxyphenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]butanamide; 4-MeO-BF; 4-Methoxybutyrfentanyl; 4-MeO-butyryl fentanyl

Acetyl fentanyl 4-methylphenethyl analogue

ID: Reference4871

C₂₂H₂₈N₂O

N-{1-[2-(4-Methylphenyl)ethyl]-4-piperidinyl}-N-phenylacetamide; 1-[2-(4-Methylphenyl)ethyl]-4-(N-acetanilido)piperidine; Acetamide, N-{1-[2-(4-methylphenyl)ethyl]-4-piperidinyl}-N-phenyl- ; Fentanyl p-methylphenyl acetyl analog

Acetyl norfentanyl

ID: Reference4872

C₁₃H₁₈N₂O

N-Phenyl-N-(4-piperidinyl)acetamide; N-Phenyl-N-(piperidin-4-yl)acetamide; N-Phenyl-N-4-piperidinylacetamide; Acetamide, N-phenyl-N-4-piperidinyl-

Furanyl fentanyl

ID: Reference4874

C₂₄H₂₆N₂O₂

N-Phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-2-furamide; Fu-F; Furanylfentanyl

Isobutyryl fentanyl

ID: Reference4875

C₂₃H₃₀N₂O

2-Methyl-N-phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]propanamide; Propanamide, 2-methyl-N-phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-; NIH 10487

4-Fluorobutyrfentanyl

ID: Reference4878

C₂₃H₂₉FN₂O

N-(4-Fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]butanamide; p-FBF ; p-Fluorobutyrfentanyl ; N-(4-Fluorophenyl)-N-(1-phenethylpiperidin-4-yl)butyramide; p-Fluorobutyryl fentanyl

β-Hydroxythiofentanyl

ID: Reference4879

C₂₀H₂₆N₂O₂S

N-{1-[2-Hydroxy-2-(2-thienyl)ethyl]-4-piperidinyl}-N-phenylpropanamide; N-{1-[2-Hydroxy-2-(thiophen-2-yl)ethyl]piperidin-4-yl}-N-phenylpropanamide; Propanamide, N-{1-[2-hydroxy-2-(2-thienyl)ethyl]-4-piperidinyl}-N-phenyl-

Valeryl fentanyl

ID: Reference4881

C₂₄H₃₂N₂O

N-Phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]pentanamide; Pentanamide, N-phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-; Pentanoyl fentanyl ; Pentanyl fentanyl

3-Methylfentanyl

ID: Reference5703

C₂₃H₃₀N₂O

N-[3-Methyl-1-(2-phenylethyl)-4-piperidinyl]-N-phenylpropanamide; 3-MF; Mefentanyl; N-(3-Methyl-1-(2-phenylethyl)-4-piperidinyl)-N-phenylpropanamide; N-(3-Methyl-1-(2-phenylethyl)-4-piperidyl)-N-phenylpropanamide; N-[3-Methyl-1-(2-phenylethyl)piperidin-4-yl]-N-phenylpropanamide; Propanamide, N-(3-methyl-1-(2-phenylethyl)-4-piperidinyl)-N-phenyl-

4-Fluorofentanyl

ID: Reference5734

C₂₂H₂₇FN₂O

N-(4-Fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]propanamide; 4'-Fluoro fentanyl; p-Fluorofentanyl ; Parafluorofentanyl; N-(4-Fluorophenyl)-N-[1-(2-phenethyl)-4-piperidinyl]propanamide ; N-(4-Fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]propanamide ; N-(4-Fluorophenyl)-N-(1-phenethylpiperidin-4-yl)propionamide

Acrylfentanyl

ID: Reference5902

C₂₂H₂₆N₂O

N-Phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]acrylamide; 2-Propenamide, N-phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-

3-Fluorofentanyl

ID: Reference6068

C₂₂H₂₇FN₂O

N-(3-Fluorophenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide; 3-Fluorofentanyl analog; N-(3-Fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]propanamide; Propanamide, N-(3-fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]-; 3-FF ; m-FF ; meta-Fluorofentanyl