N-(2-Fluorophenyl)-N-{4-(4-methyl-1,3-thiazol-2-yl)-1-[2-(1H-pyrazol-1-yl)ethyl]piperidin-4-yl}propanamide
 3142  C23H28FN5OS  441.565
 Fentanyl
 InChI=1S/C23H28FN5OS/c1-3-21(30)29(20-8-5-4-7-19(20)24)23(22-26-18(2)17-31-22)9-13-27(14-10-23)15-16-28-12-6-11-25-28/h4-8,11-12,17H,3,9-10,13-16H2,1-2H3
 NIYCKYVNVCUYFR-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCn1cccn1)c1scc(n1)C)c1ccccc1F