α′-Methoxyfentanyl
2-Methoxy-N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide
 1647 ·  C23H30N2O2 ·  366.497
 Fentanyl
 InChI=1S/C23H30N2O2/c1-19(27-2)23(26)25(21-11-7-4-8-12-21)22-14-17-24(18-15-22)16-13-20-9-5-3-6-10-20/h3-12,19,22H,13-18H2,1-2H3
 JFUZJQRRXWYJQC-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COC(C(=O)N(c1ccccc1)C1CCN(CC1)CCc1ccccc1)C