2-Methylfentanyl
N-[2-Methyl-1-(2-phenylethyl)piperidin-4-yl]-N-phenylpropanamide
 1602  C23H30N2O  350.497
 Fentanyl
 InChI=1S/C23H30N2O/c1-3-23(26)25(21-12-8-5-9-13-21)22-15-17-24(19(2)18-22)16-14-20-10-6-4-7-11-20/h4-13,19,22H,3,14-18H2,1-2H3
 QPDYAAIBZKUFRI-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1CCN(C(C1)C)CCc1ccccc1)c1ccccc1