Methyl 1-[2-(4-methyl-1,3-thiazol-5-yl)ethyl]-4-[phenyl(propanoyl)amino]piperidine-4-carboxylate
 1625 ·  C22H29N3O3S ·  415.549
 Fentanyl
 InChI=1S/C22H29N3O3S/c1-4-20(26)25(18-8-6-5-7-9-18)22(21(27)28-3)11-14-24(15-12-22)13-10-19-17(2)23-16-29-19/h5-9,16H,4,10-15H2,1-3H3
 XXWNEFNVTFIXHS-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COC(=O)C1(CCN(CC1)CCc1scnc1C)N(c1ccccc1)C(=O)CC