N-{1-[2-(3-Fluorophenyl)-2-hydroxyethyl]piperidin-4-yl}-N-phenylpropanamide
 8481  C22H27FN2O2  370.46
 Fentanyl
 InChI=1S/C22H27FN2O2/c1-2-22(27)25(19-9-4-3-5-10-19)20-11-13-24(14-12-20)16-21(26)17-7-6-8-18(23)15-17/h3-10,15,20-21,26H,2,11-14,16H2,1H3
 ZDYPLRUIKBXKIW-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CC(c1cccc(c1)F)O