Radical products in single electron transfer reactions of lithium triethylhydridoborate as detected by ESR and multinuclear (proton, boron-10, boron-11, and nitrogen-14) ENDOR spectroscopy. Angewandte Chemie, (95)11:915--916, 1983. [PUMA: ENDOR;electron bipyridine bipyridine;ENDOR bipyridine;boron borohydride complex coupling electron hyperfine lithium transfer triethyl triethylhydridoborate triethylhydridoborate;ESR triethylhydridoborate;TRIPLE]