Methyl 4-[phenyl(propanoyl)amino]-1-[2-(2H-tetrazol-2-yl)ethyl]piperidine-4-carboxylate
 1620  C19H26N6O3  386.448
 Fentanyl
 InChI=1S/C19H26N6O3/c1-3-17(26)25(16-7-5-4-6-8-16)19(18(27)28-2)9-11-23(12-10-19)13-14-24-21-15-20-22-24/h4-8,15H,3,9-14H2,1-2H3
 DACSZQRZRCATBA-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 COC(=O)C1(CCN(CC1)CCn1nncn1)N(c1ccccc1)C(=O)CC