o-Methylacrylfentanyl
N-(2-Methylphenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]prop-2-enamide
 8445  C23H28N2O  348.481
 Fentanyl
 InChI=1S/C23H28N2O/c1-3-23(26)25(22-12-8-7-9-19(22)2)21-14-17-24(18-15-21)16-13-20-10-5-4-6-11-20/h3-12,21H,1,13-18H2,2H3
 OGVFVSLKWMUIGR-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 C=CC(=O)N(c1ccccc1C)C1CCN(CC1)CCc1ccccc1