Yaorong Chen, Eufemio Moreno-Pineda, Sagar Paul, Olaf Fuhr, Dieter Fenske, Wolfgang Wernsdorfer, Mario Ruben. "Unconventional Nuclear-Spin-Dependent Toroidal Ground States in Isotopologue
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                    <sub>4</sub>
                    [2 × 2] Complexes." Journal of the American Chemical Society, 2026. doi:10.1021/jacs.6c03508