7,8-dimethylalloxazineRiboflavin lumichrome7,8-dimethylisoalloxazine7,8-dimethylbenzo[g]pteridine-2,4(1H,3H)-dione6,7-DimethylalloxazinelumichromeLUMICHROME7,8-DimethylalloxazineLumichromeLumichromelumichromelumichromeLUMICHROME7,8-Dimethylalloxazine