the cytotoxicity of doxorubicin ( dx ) , 4'-o-methyl-dx ( met-dx ) , 4'-deoxy dx ( deo-dx ) , 4'-deoxy-4'-iodo-dx ( iodo-dx ) , daunorubicin ( dnr ) and 4-demethoxy-dnr ( dm-dnr ) on lovo cells cultured as a monolayer ( in exponential and stationary phases of growth ) and as spheroids , are evaluated following 1-h exposure to the drugs .
C0013089
dx
C0011015
dnr