3″-Hydroxycarfentanil
Methyl 1-[2-(3-hydroxyphenyl)ethyl]-4-[phenyl(propanoyl)amino]piperidine-4-carboxylate
 8363  C24H30N2O4  410.506
 Fentanyl
 InChI=1S/C24H30N2O4/c1-3-22(28)26(20-9-5-4-6-10-20)24(23(29)30-2)13-16-25(17-14-24)15-12-19-8-7-11-21(27)18-19/h4-11,18,27H,3,12-17H2,1-2H3
 IZWWEXYFPQMWAZ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCc1cccc(c1)O)C(=O)OC)c1ccccc1