N-(2-Fluorophenyl)-N-[1-(2-hydroxy-2-phenylethyl)-3-methylpiperidin-4-yl]propanamide
 3109  C23H29FN2O2  384.487
 Fentanyl
 InChI=1S/C23H29FN2O2/c1-3-23(28)26(21-12-8-7-11-19(21)24)20-13-14-25(15-17(20)2)16-22(27)18-9-5-4-6-10-18/h4-12,17,20,22,27H,3,13-16H2,1-2H3
 UJJCOGOVANUHPK-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(c1ccccc1F)C1CCN(CC1C)CC(c1ccccc1)O