Exploring 14383. To explore a different substance…

{4-[Phenyl(propanoyl)amino]-1-[2-(2H-tetrazol-2-yl)ethyl]piperidin-4-yl}methyl 2,2-dimethylpropanoate
 14383  C23H34N6O3  442.554
 Fentanyl
 InChI=1S/C23H34N6O3/c1-5-20(30)29(19-9-7-6-8-10-19)23(17-32-21(31)22(2,3)4)11-13-27(14-12-23)15-16-28-25-18-24-26-28/h6-10,18H,5,11-17H2,1-4H3
 OSVCOZBTKGOSIN-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCn1nncn1)COC(=O)C(C)(C)C)c1ccccc1