Ethyl {4-[phenyl(propanoyl)amino]-1-[2-(thiophen-2-yl)ethyl]piperidin-4-yl}methyl carbonate
 3149 ·  C24H32N2O4S ·  444.587
 Fentanyl
 InChI=1S/C24H32N2O4S/c1-3-22(27)26(20-9-6-5-7-10-20)24(19-30-23(28)29-4-2)13-16-25(17-14-24)15-12-21-11-8-18-31-21/h5-11,18H,3-4,12-17,19H2,1-2H3
 UWLSIZAQMSIHAY-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCOC(=O)OCC1(CCN(CC1)CCc1cccs1)N(c1ccccc1)C(=O)CC