N-{1-[2-(4-Ethyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)ethyl]-4-(1,3-thiazol-2-yl)piperidin-4-yl}-N-(2-fluorophenyl)propanamide
 3139  C22H28FN7O2S  473.567
 Fentanyl
 InChI=1S/C22H28FN7O2S/c1-3-19(31)30(18-8-6-5-7-17(18)23)22(20-24-11-16-33-20)9-12-27(13-10-22)14-15-29-21(32)28(4-2)25-26-29/h5-8,11,16H,3-4,9-10,12-15H2,1-2H3
 XAGYZXZRWOVGLF-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)N(C1(CCN(CC1)CCn1nnn(c1=O)CC)c1nccs1)c1ccccc1F