α′-Methyl-butyrylfentanyl
2-Methyl-N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]butanamide
 1675 ·  C24H32N2O ·  364.524
 Fentanyl
 InChI=1S/C24H32N2O/c1-3-20(2)24(27)26(22-12-8-5-9-13-22)23-15-18-25(19-16-23)17-14-21-10-6-4-7-11-21/h4-13,20,23H,3,14-19H2,1-2H3
 DRAWSQJHCQAWNN-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(C(=O)N(c1ccccc1)C1CCN(CC1)CCc1ccccc1)C