Total synthesis and biological activity of “carbamorphine”: O-to-CH 2 replacement in the E-ring of the morphine core structure - Sota Akiyama; Rohini S. Ople; Alexander Kremsmair; Nokomis Ramos-Gonzalez; Thomas Nedungadan; Brandon J. Kennedy; Kevin Appourchaux; Shainnel O. Eans; Bowen A. Tsai; Christina Kraml; Xi-Ping Huang; Jay P. McLaughlin; et al. (Proceedings of the National Academy of Sciences, 2025)