Cyclopropyl-norfentanyl
N-Phenyl-N-(piperidin-4-yl)cyclopropanecarboxamide
 3926 ·  C15H20N2O ·  244.332
 Fentanyl
 InChI=1S/C15H20N2O/c18-15(12-6-7-12)17(13-4-2-1-3-5-13)14-8-10-16-11-9-14/h1-5,12,14,16H,6-11H2
 MFGRYVBZTFUIQB-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 O=C(N(c1ccccc1)C1CCNCC1)C1CC1