.alpha.-D-Galactopyranose, 1,2:3,4-bis-O-(1-methylethylidene)-, dimethylcarbamothioate 16795-64-5 Dimethylthiocarbamoyl isopropylidene galactopyranose Galactopyranose, 1,2:3,4-di-O-isopropylidene-, dimethylthiocarbamate, .alpha.-D- NSC98786