Methyl 1-[(2,3-dihydro-1,4-benzodioxin-2-yl)methyl]-4-[phenyl(propanoyl)amino]piperidine-4-carboxylate
 1630 ·  C25H30N2O5 ·  438.516
 Fentanyl
 InChI=1S/C25H30N2O5/c1-3-23(28)27(19-9-5-4-6-10-19)25(24(29)30-2)13-15-26(16-14-25)17-20-18-31-21-11-7-8-12-22(21)32-20/h4-12,20H,3,13-18H2,1-2H3
 HCFNBXFYJLTRRQ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CC1COc2c(O1)cccc2)C(=O)OC)c1ccccc1