Exploring 8475. To explore a different substance…

N-{1-[2-Fluoro-2-(3-fluorophenyl)ethyl]piperidin-4-yl}-N-phenylpropanamide
 8475  C22H26F2N2O  372.451
 Fentanyl
 InChI=1S/C22H26F2N2O/c1-2-22(27)26(19-9-4-3-5-10-19)20-11-13-25(14-12-20)16-21(24)17-7-6-8-18(23)15-17/h3-10,15,20-21H,2,11-14,16H2,1H3
 PWYOWTVTNKWSTQ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CC(c1cccc(c1)F)F