β-Oxo-carfentanil
Methyl 1-(2-oxo-2-phenylethyl)-4-[phenyl(propanoyl)amino]piperidine-4-carboxylate
8366
C24H28N2O4
408.49
Fentanyl
InChI=1S/C24H28N2O4/c1-3-22(28)26(20-12-8-5-9-13-20)24(23(29)30-2)14-16-25(17-15-24)18-21(27)19-10-6-4-7-11-19/h4-13H,3,14-18H2,1-2H3
CCC(=O)N(C1(CCN(CC1)CC(=O)c1ccccc1)C(=O)OC)c1ccccc1