the authors have studied five labeled carbohydrates in an attempt to find a tumor-specific tracer : three were tritiated ( l-galactose-1-3h , l-fucose-3h , and 4,6-dideoxy-xylo-hexose-3h ) and two were radioiodinated ( methyl-6-125i-6-deoxy-d-glucoside and 6-125i-6-deoxy-d-glucose ) .
C0016945
galactose
C0019494
hexose