Exploring 14360. To explore a different substance…

{4-[Acetyl(phenyl)amino]-1-(2-phenylethyl)piperidin-4-yl}methyl propanoate
 14360  C25H32N2O3  408.533
 Fentanyl
 InChI=1S/C25H32N2O3/c1-3-24(29)30-20-25(27(21(2)28)23-12-8-5-9-13-23)15-18-26(19-16-25)17-14-22-10-6-4-7-11-22/h4-13H,3,14-20H2,1-2H3
 YDOCAQDGHMDARF-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)OCC1(CCN(CC1)CCc1ccccc1)N(c1ccccc1)C(=O)C