3-Methoxyfentanyl
N-[3-Methoxy-1-(2-phenylethyl)piperidin-4-yl]-N-phenylpropanamide
 1605  C23H30N2O2  366.497
 Fentanyl
 InChI=1S/C23H30N2O2/c1-3-23(26)25(20-12-8-5-9-13-20)21-15-17-24(18-22(21)27-2)16-14-19-10-6-4-7-11-19/h4-13,21-22H,3,14-18H2,1-2H3
 RHSNNNBRHLSDJQ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1CCN(CC1OC)CCc1ccccc1)c1ccccc1