Exploring Norsufentanil. To explore a different substance…

Norsufentanil
N-[4-(Methoxymethyl)piperidin-4-yl]-N-phenylpropanamide
 6987  C16H24N2O2  276.374
 Fentanyl
 InChI=1S/C16H24N2O2/c1-3-15(19)18(14-7-5-4-6-8-14)16(13-20-2)9-11-17-12-10-16/h4-8,17H,3,9-13H2,1-2H3
 ULOZGJWEIWAWML-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COCC1(CCNCC1)N(c1ccccc1)C(=O)CC