N-[1-(2-Hydroxy-2-phenylethyl)-3-methylpiperidin-4-yl]-N-(pyridin-2-yl)propanamide
 3119  C22H29N3O2  367.485
 Fentanyl
 InChI=1S/C22H29N3O2/c1-3-22(27)25(21-11-7-8-13-23-21)19-12-14-24(15-17(19)2)16-20(26)18-9-5-4-6-10-18/h4-11,13,17,19-20,26H,3,12,14-16H2,1-2H3
 HCHXEDGBENAEIR-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1CCN(CC1C)CC(c1ccccc1)O)c1ccccn1