β-Hydroxyfentanyl
N-[1-(2-Hydroxy-2-phenylethyl)piperidin-4-yl]-N-phenylpropanamide
 2624 ·  C22H28N2O2 ·  352.47
 Fentanyl
 InChI=1S/C22H28N2O2/c1-2-22(26)24(19-11-7-4-8-12-19)20-13-15-23(16-14-20)17-21(25)18-9-5-3-6-10-18/h3-12,20-21,25H,2,13-17H2,1H3
 JEFVHLMGRUJLET-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)CC(c1ccccc1)O