Propan-2-yl 2-{4-[phenyl(propanoyl)amino]piperidin-1-yl}propanoate
 8190  C20H30N2O3  346.464
 Fentanyl
 InChI=1S/C20H30N2O3/c1-5-19(23)22(17-9-7-6-8-10-17)18-11-13-21(14-12-18)16(4)20(24)25-15(2)3/h6-10,15-16,18H,5,11-14H2,1-4H3
 ADNPMAVOSRSALG-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1)C1CCN(CC1)C(C(=O)OC(C)C)C