p-Fluoro benzylbutyrylfentanyl
N-(1-Benzylpiperidin-4-yl)-N-(4-fluorophenyl)butanamide
 8488  C22H27FN2O  354.461
 Fentanyl
 InChI=1S/C22H27FN2O/c1-2-6-22(26)25(20-11-9-19(23)10-12-20)21-13-15-24(16-14-21)17-18-7-4-3-5-8-18/h3-5,7-12,21H,2,6,13-17H2,1H3
 FLRWSHYOIGXTRR-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCCC(=O)N(c1ccc(cc1)F)C1CCN(CC1)Cc1ccccc1