4″-Methoxyfentanyl
N-{1-[2-(4-Methoxyphenyl)ethyl]piperidin-4-yl}-N-phenylpropanamide
 1678  C23H30N2O2  366.497
 Fentanyl
 InChI=1S/C23H30N2O2/c1-3-23(26)25(20-7-5-4-6-8-20)21-14-17-24(18-15-21)16-13-19-9-11-22(27-2)12-10-19/h4-12,21H,3,13-18H2,1-2H3
 LEUVPFMLRYUUGW-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CCc1ccc(cc1)OC