Exploring 8485. To explore a different substance…

N-(2-Fluorophenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]acetamide
 8485  C21H25FN2O  340.434
 Fentanyl
 InChI=1S/C21H25FN2O/c1-17(25)24(21-10-6-5-9-20(21)22)19-12-15-23(16-13-19)14-11-18-7-3-2-4-8-18/h2-10,19H,11-16H2,1H3
 BYNZSMMSBDZPJJ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 Fc1ccccc1N(C1CCN(CC1)CCc1ccccc1)C(=O)C