on the contrary , the assays with s. typhimurium g46 and ta100 of bile from rats inoculated with 1,2-dimethylhydrazine , azoxymethane , or methylazoxymethanol acetate failed to reveal mutagenicity whether beta-glucuronidase was added or not , though these carcinogens were highly mutagenic for strain g46 in the salmonella-microsome mutagenicity test and/or in the host-mediated assay .
C0004519
azoxymethane
C0025725
methylazoxymethanol