<chemical> Riboflavin 5'-(dihydrogen phosphate). A coenzyme for a number of oxidative enzymes including NADH dehydrogenase. It is the principal form in which riboflavin is found in cells and tissues. ... Chemical name: Riboflavin 5'-(dihydrogen phosphate) ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973