Feng, B., Li, G., Gao, Y., Yamamoto, N., Pink, M., Peng, Q., Smith, J. M. (2026). Hydrogen Isotope Exchange in Pyridine Catalyzed by an Iron(II) Imido Complex: Counterion‐Directed Regioselectivity. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.4646822