4″-Methylfentanyl
N-{1-[2-(4-Methylphenyl)ethyl]piperidin-4-yl}-N-phenylpropanamide
 1615  C23H30N2O  350.497
 Fentanyl
 InChI=1S/C23H30N2O/c1-3-23(26)25(21-7-5-4-6-8-21)22-14-17-24(18-15-22)16-13-20-11-9-19(2)10-12-20/h4-12,22H,3,13-18H2,1-2H3
 AGSRCZOBGTWFFY-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CCc1ccc(cc1)C