of these , 3-deoxy-3-bromo-d-glucose , 3-deoxy-3-iodo-d-glucose , methyl 2-deoxy-2-bromo-beta-d-glucoside and methyl 2-deoxy-2-iodo-beta-d-glucoside showed little uptake of radioactivity into brain and an unfavourable ratio of heart-to-blood and heart-to-lung concentrations .
C0006104
brain
C0086045
concentrations