2″-Hydroxycarfentanil
Methyl 1-[2-(2-hydroxyphenyl)ethyl]-4-[phenyl(propanoyl)amino]piperidine-4-carboxylate
 8362  C24H30N2O4  410.506
 Fentanyl
 InChI=1S/C24H30N2O4/c1-3-22(28)26(20-10-5-4-6-11-20)24(23(29)30-2)14-17-25(18-15-24)16-13-19-9-7-8-12-21(19)27/h4-12,27H,3,13-18H2,1-2H3
 BOXACENIBMHDHY-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCc1ccccc1O)C(=O)OC)c1ccccc1