Exploring Methacroylfentanyl. To explore a different substance…

Methacroylfentanyl
2-Methyl-N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]prop-2-enamide
 1674  C23H28N2O  348.481
 Fentanyl
 InChI=1S/C23H28N2O/c1-19(2)23(26)25(21-11-7-4-8-12-21)22-14-17-24(18-15-22)16-13-20-9-5-3-6-10-20/h3-12,22H,1,13-18H2,2H3
 YRRFMVAFZJGZNS-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CC(=C)C(=O)N(c1ccccc1)C1CCN(CC1)CCc1ccccc1