in contrast to the above compounds , the purr mutants showed no significant cross-resistance to a large number of other drugs which included asaley , at-125 , 5-azacytidine , azaserine , cyclocytidine , cis-platin , cytosine arabinoside , chlorambucil , chlorpromazine , alpha-difluoromethyl ornithine , 5-fluorouracil , ftorafur , gallium nitrate , hydroxyurea , icrf-159 , icrf-187 , imipramine , methotraxate , 6-methylmercaptopurine riboside , mycophenolic acid , melphalan , mitomycin c , methyl gag , nafoxidine , reumycin , 6-selenoguanosine , 6-thioguanine , tiazofurin , tamoxifen , thalicarpine , tiapamil and verapamil ) .
C0010557
cyclocytidine
C0010711
cytosine arabinoside