2-Methylfentanyl

ID: Reference8520

C₂₃H₃₀N₂O

N-(2-Methylphenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide; N-(1-Phenethyl-piperidin-4-yl)-N-o-tolyl-propionamide; Fentanyl o-tolyl analog; Propanamide, N-(2-methylphenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]-; o-Methylfentanyl

3-Methylfentanyl

ID: Reference8521

C₂₃H₃₀N₂O

N-(3-Methylphenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide; Fentanyl, m-tolyl analog; Propanamide, N-(3-methylphenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]-; m-Methylfentanyl

Alfentanil

ID: Reference1870

C₂₁H₃₂N₆O₃

N-{1-[2-(4-Ethyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)ethyl]-4-(methoxymethyl)-4-piperidinyl}-N-phenylpropanamide; Alfentanilum; Alfentanyl; N-{1-[2-(4-Ethyl-4,5-dihydro-5-oxotetrazolyl)ethyl]-4-(methoxymethyl)-4-piperidyl}-N-phenylpropionamid ; N-{1-[2-(4-Ethyl-4,5-dihydro-5-oxotetrazolyl)ethyl]-4-(methoxymethyl)-4-piperidyl}propionanilid ; N-{1-[2-(4-Ethyl-5-oxo-2-tetrazolin-1-yl)ethyl]-4-(methoxymethyl)-4-piperidyl}propionanilide ; N-{1-[2-(4-Ethyl-5-oxo-4,5-dihydro-1H-1,2,3,4-tetrazol-1-yl)ethyl]-4-(methoxymethyl)piperidin-4-yl}-N-phenylpropanamide

Sufentanil

ID: Reference4882

C₂₂H₃₀N₂O₂S

N-{4-(Methoxymethyl)-1-[2-(2-thienyl)ethyl]-4-piperidinyl}-N-phenylpropanamide; Chronogesic; Disufen; Fastfen; Sufenta forte; Sufenta mite; Sufentanilo

FIBF

ID: Reference5903

C₂₃H₂₉FN₂O

N-(4-Fluorophenyl)-2-methyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide; N-(4-Fluorophenyl)-N-(1-phenethyl-4-piperidinyl)isobutyramide; 4-FIBF ; p-Fluoroisobutyryl fentanyl

Carfentanil

ID: Reference6290

C₂₄H₃₀N₂O₃

Methyl 1-(2-phenylethyl)-4-[phenyl(propionyl)amino]-4-piperidinecarboxylate; Carfentanila; Carfentanilum; Carfentanyl; 1-Phenethyl-4-(phenyl-propionyl-amino)-piperidine-4-carboxylic acid methyl ester; 4-[(1-Oxopropyl)phenylamino]-1-(2-phenylethyl)-4-piperidinecarboxylic acid methyl ester ; 4-Piperidinecarboxylic acid, 4[(1-oxopropyl)phenylamino]-1-(2-phenylethyl), methyl ester

4-ANPP

ID: Reference6503

C₁₉H₂₄N₂

N-Phenyl-1-(2-phenylethyl)piperidin-4-amine; ANPP; BR-46318; (1-Phenethyl-piperidin-4-yl)-phenyl-amine; N-(1-Phenethyl-piperidin-4-yl)-aniline ; N-[1-(2-Phenylethyl)-4-piperidinyl]aniline; N-[1-(2-Phenylethyl)-4-piperidinyl]benzenamine