New viologens, in which two pyridinium moieties are linked by a central five-membered heteroaromatic or phenylene framework, giving stable radical cations on single electron reduction and showing an intense fluorescence emission are efficiently synthesized and characterized.
No takes yet. Share an insight, caveat, or question.
Takahashi et al. (1992) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: