Unconventional Nuclear-Spin-Dependent Toroidal Ground States in Isotopologue A Dy 4 [2 × 2] Complexes - Yaorong Chen; Eufemio Moreno-Pineda; Sagar Paul; Olaf Fuhr; Dieter Fenske; Wolfgang Wernsdorfer; Mario Ruben (Journal of the American Chemical Society, 2026)