beta-nicotinamide D-riboside + a quinol => 1-(beta-D-ribofuranosyl)-1,4-dihydronicotinamide + a quinone + H(+)
beta-nicotinamide d-riboside + a quinol => 1-(beta-d-ribofuranosyl)-1,4-dihydronicotinamide + a quinone + h(+)
beta-nicotinamide D-riboside + a quinol => 1-(beta-D-ribofuranosyl)-1,4-dihydronicotinamide + a quinone + H(+)
beta-nicotinamide d-riboside + a quinol => 1-(beta-d-ribofuranosyl)-1,4-dihydronicotinamide + a quinone + h(+)