p-Fluoro-furanylremifentanil
Methyl 4-[(4-fluorophenyl)(furan-2-carbonyl)amino]-1-(3-methoxy-3-oxopropyl)piperidine-4-carboxylate
 1701  C22H25FN2O6  432.442
 Fentanyl
 InChI=1S/C22H25FN2O6/c1-29-19(26)9-12-24-13-10-22(11-14-24,21(28)30-2)25(17-7-5-16(23)6-8-17)20(27)18-4-3-15-31-18/h3-8,15H,9-14H2,1-2H3
 VRUVACUDVYLEOF-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COC(=O)C1(CCN(CC1)CCC(=O)OC)N(C(=O)c1ccco1)c1ccc(cc1)F