Cyclobutylfentanyl
N-Phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]cyclobutanecarboxamide
 3176 ·  C24H30N2O ·  362.508
 Fentanyl
 InChI=1S/C24H30N2O/c27-24(21-10-7-11-21)26(22-12-5-2-6-13-22)23-15-18-25(19-16-23)17-14-20-8-3-1-4-9-20/h1-6,8-9,12-13,21,23H,7,10-11,14-19H2
 XHRDMQWXMFOAIX-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 O=C(N(c1ccccc1)C1CCN(CC1)CCc1ccccc1)C1CCC1