Exploring N-(3-Ethylindole) norfentanyl. To explore a different substance…

N-(3-Ethylindole) norfentanyl
N-{1-[2-(1H-Indol-3-yl)ethyl]piperidin-4-yl}-N-phenylpropanamide
 7446  C24H29N3O  375.507
 Fentanyl
 InChI=1S/C24H29N3O/c1-2-24(28)27(20-8-4-3-5-9-20)21-13-16-26(17-14-21)15-12-19-18-25-23-11-7-6-10-22(19)23/h3-11,18,21,25H,2,12-17H2,1H3
 KZRCNDCSHLUGKI-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CCc1c[nH]c2c1cccc2