N-Methyl-butyrylfentanyl
N-(1-Methylpiperidin-4-yl)-N-phenylbutanamide
 1683 ·  C16H24N2O ·  260.375
 Fentanyl
 InChI=1S/C16H24N2O/c1-3-7-16(19)18(14-8-5-4-6-9-14)15-10-12-17(2)13-11-15/h4-6,8-9,15H,3,7,10-13H2,1-2H3
 GYCOYFSNPYCQOL-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCCC(=O)N(c1ccccc1)C1CCN(CC1)C