Micromolar Concentration Affinity Study on a Benchtop NMR Spectrometer with Secondary 13C Labeled Hyperpolarized Ligands - Olivier Cala; Charlotte Bocquelet; Chloé Gioiosa; Felix Torres; Samuel F. Cousin; Sylvie Guibert; Morgan Ceillier; Venita Busse; Frank Decker; James G. Kempf; Stuart J. Elliott; Quentin Stern; et al. (ACS Omega)