3-Methyl-acetylfentanyl
N-[3-Methyl-1-(2-phenylethyl)piperidin-4-yl]-N-phenylacetamide
 6191  C22H28N2O  336.471
 Fentanyl
 InChI=1S/C22H28N2O/c1-18-17-23(15-13-20-9-5-3-6-10-20)16-14-22(18)24(19(2)25)21-11-7-4-8-12-21/h3-12,18,22H,13-17H2,1-2H3
 QJGKJOGHFKCYEE-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CC1CN(CCc2ccccc2)CCC1N(c1ccccc1)C(=O)C