N-Phenyl-N-{4-phenyl-1-[2-(thiophen-3-yl)ethyl]piperidin-4-yl}propanamide
 3128  C26H30N2OS  418.594
 Fentanyl
 InChI=1S/C26H30N2OS/c1-2-25(29)28(24-11-7-4-8-12-24)26(23-9-5-3-6-10-23)15-18-27(19-16-26)17-13-22-14-20-30-21-22/h3-12,14,20-21H,2,13,15-19H2,1H3
 PTSOTSHUWYRLPI-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCc1cscc1)c1ccccc1)c1ccccc1