the suppressive effects of both nitrosoureas could be reduced or abolished by simultaneous addition to the pre-incubation media of nicotinamide , 2-deoxyglucose or 3-0-methyl-glucose , but were unaffected by reduced glutathione , glucosamine , n-acetylglucosamine or mannoheptulose .
C0017718
glucosamine
C0001056
n-acetylglucosamine