1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo(g)pteridin-10(2H)-yl)-1-deoxy-D-galactitiol 26263-31-0 31281-39-7 521-97-1 5401-05-8 5735-19-3 AI3-26394 D-Galactitol, 1-deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo(g)pteridin-10(2H)-yl)- Galactoflavin Galactoflavine