Exploring N-t-BOC-norfentanyl. To explore a different substance…

N-t-BOC-norfentanyl
tert-Butyl 4-[phenyl(propanoyl)amino]piperidine-1-carboxylate
 6873  C19H28N2O3  332.437
 InChI=1S/C19H28N2O3/c1-5-17(22)21(15-9-7-6-8-10-15)16-11-13-20(14-12-16)18(23)24-19(2,3)4/h6-10,16H,5,11-14H2,1-4H3
 UAGLVIIAMZPKIK-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)C(=O)OC(C)(C)C