N-[1-(2-Hydroxy-2-phenylethyl)-3-methylpiperidin-4-yl]-2-methoxy-N-phenylacetamide
 3112  C23H30N2O3  382.496
 Fentanyl
 InChI=1S/C23H30N2O3/c1-18-15-24(16-22(26)19-9-5-3-6-10-19)14-13-21(18)25(23(27)17-28-2)20-11-7-4-8-12-20/h3-12,18,21-22,26H,13-17H2,1-2H3
 OZYOQZLCMLWRMH-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COCC(=O)N(C1CCN(CC1C)CC(c1ccccc1)O)c1ccccc1