Methyl 1-{2-[5-methyl-2-(methylsulfanyl)-6-oxopyrimidin-1(6H)-yl]ethyl}-4-[phenyl(propanoyl)amino]piperidine-4-carboxylate
 1627  C24H32N4O4S  472.6
 Fentanyl
 InChI=1S/C24H32N4O4S/c1-5-20(29)28(19-9-7-6-8-10-19)24(22(31)32-3)11-13-26(14-12-24)15-16-27-21(30)18(2)17-25-23(27)33-4/h6-10,17H,5,11-16H2,1-4H3
 BGYDDCNVCHFMOE-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COC(=O)C1(CCN(CC1)CCn1c(SC)ncc(c1=O)C)N(c1ccccc1)C(=O)CC