Exploring 8483. To explore a different substance…

N-{1-[2-(4-Fluorophenyl)-2-hydroxyethyl]piperidin-4-yl}-N-phenylpropanamide
 8483  C22H27FN2O2  370.46
 Fentanyl
 InChI=1S/C22H27FN2O2/c1-2-22(27)25(19-6-4-3-5-7-19)20-12-14-24(15-13-20)16-21(26)17-8-10-18(23)11-9-17/h3-11,20-21,26H,2,12-16H2,1H3
 RFMCDZYAIZNQRO-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CC(c1ccc(cc1)F)O