Exploring 14372. To explore a different substance…

{4-[(2-Methylpropanoyl)(phenyl)amino]-1-[2-(thiophen-2-yl)ethyl]piperidin-4-yl}methyl 2-methylpropanoate
 14372  C26H36N2O3S  456.641
 Fentanyl
 InChI=1S/C26H36N2O3S/c1-20(2)24(29)28(22-9-6-5-7-10-22)26(19-31-25(30)21(3)4)13-16-27(17-14-26)15-12-23-11-8-18-32-23/h5-11,18,20-21H,12-17,19H2,1-4H3
 VRPQDRSWGVFSDR-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 O=C(C(C)C)OCC1(CCN(CC1)CCc1cccs1)N(C(=O)C(C)C)c1ccccc1