Biradicals based on PROXYL containing building blocks for efficient dynamic nuclear polarization in biotolerant media - Herr, Kevin; Höfler, Mark Valentin; Heise, Henrike; Aussenac, Fabien; Kornemann, Felix; Rosenberger, David; Brodrecht, Martin; Oliveira Junior, Marcos de; Buntkowsky, Gerd; Gutmann, Torsten (Journal of Magnetic Resonance Open, 2024)