N-Phenyl-N-{4-phenyl-1-[2-(pyridin-2-yl)ethyl]piperidin-4-yl}propanamide
 3132  C27H31N3O  413.555
 Fentanyl
 InChI=1S/C27H31N3O/c1-2-26(31)30(25-14-7-4-8-15-25)27(23-11-5-3-6-12-23)17-21-29(22-18-27)20-16-24-13-9-10-19-28-24/h3-15,19H,2,16-18,20-22H2,1H3
 NRFULJYVKXBLIG-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCc1ccccn1)c1ccccc1)c1ccccc1