Probing the Oxidative Addition Transition State in Nickel Metallaphotoredox Catalysis Using Intramolecular 13C Kinetic Isotope Effects - Chetan Joshi; Julia R. Dorsheimer; Victor O. Nyagilo; Mariah Carol Ramos; Subhrashis Banerjee; Bangaru Bhaskararao; Yangyang Shen; Tomislav Rovis; Mathew J. Vetticatt (Journal of the American Chemical Society, 2025)