N-(2-Fluorophenyl)-N-{4-phenyl-1-[2-(thiophen-3-yl)ethyl]piperidin-4-yl}propanamide
 3129  C26H29FN2OS  436.585
 Fentanyl
 InChI=1S/C26H29FN2OS/c1-2-25(30)29(24-11-7-6-10-23(24)27)26(22-8-4-3-5-9-22)14-17-28(18-15-26)16-12-21-13-19-31-20-21/h3-11,13,19-20H,2,12,14-18H2,1H3
 HEVPVURSPUJVOI-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCc1ccsc1)c1ccccc1)c1ccccc1F