N-Benzyl-butyrylfentanyl
N-(1-Benzylpiperidin-4-yl)-N-phenylbutanamide
 1685  C22H28N2O  336.471
 Fentanyl
 InChI=1S/C22H28N2O/c1-2-9-22(25)24(20-12-7-4-8-13-20)21-14-16-23(17-15-21)18-19-10-5-3-6-11-19/h3-8,10-13,21H,2,9,14-18H2,1H3
 YYXPMGNUMFXSSW-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCCC(=O)N(c1ccccc1)C1CCN(CC1)Cc1ccccc1