Exploring R-1338. To explore a different substance…

R-1338
Methyl 1-(4-oxo-4-phenylbutyl)-4-phenylpiperidine-4-carboxylate
 9167  C23H27NO3  365.465
 InChI=1S/C23H27NO3/c1-27-22(26)23(20-11-6-3-7-12-20)14-17-24(18-15-23)16-8-13-21(25)19-9-4-2-5-10-19/h2-7,9-12H,8,13-18H2,1H3
 XFSMDSHJGFUBKM-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COC(=O)C1(CCN(CC1)CCCC(=O)c1ccccc1)c1ccccc1