Anisotropy of Spin–Lattice Relaxation Time (T1) for Oxo-Vanadium(IV) and Nitrido Chromium(V) Porphyrins - Sandra S. Eaton; Tsutomu Yamabayashi; Yoji Horii; Masahiro Yamashita; Gareth R. Eaton (Journal of the American Chemical Society, 2025)