The effects of nitroxide structure upon 1H Overhauser dynamic nuclear polarization efficacy at ultralow-field
Fehling, P.; Buckenmaier, K.; Dobrynin, S.; Morozov, D.; Polienko, Y.; Khoroshunova, Y.; Borozdina, Y.; Mayer, P.; Engelmann, H.; Scheffler, K.; Angelovski, G.; Kirilyuk, I.