1-Deaza-1-carba-fmn 1-Deaza-fmn 70805-82-2 D-Ribitol, 1-deoxy-1-(2,3-dihydro-7,8-dimethyl-1,3-dioxopyrido(3,4-b)quinoxalin-5(1H)-yl)-, 5-(dihydrogen phosphate)