Exploring 14361. To explore a different substance…

{4-[Butanoyl(phenyl)amino]-1-(2-phenylethyl)piperidin-4-yl}methyl butanoate
 14361  C28H38N2O3  450.613
 Fentanyl
 InChI=1S/C28H38N2O3/c1-3-11-26(31)30(25-15-9-6-10-16-25)28(23-33-27(32)12-4-2)18-21-29(22-19-28)20-17-24-13-7-5-8-14-24/h5-10,13-16H,3-4,11-12,17-23H2,1-2H3
 XCHRGNXLNYSDCG-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCCC(=O)N(C1(CCN(CC1)CCc1ccccc1)COC(=O)CCC)c1ccccc1