T Sakai, T Kumoi, T Ishikawa, T Nitta… - Organic & Biomolecular …, 2018 - pubs.rsc.org
A series of flavinium salts, 5-ethylisoalloxazinium, 5-ethylalloxazinium, and 1, 10-ethylene-
bridged alloxazinium triflates, were prepared from commercially available riboflavin. This …