thioridazine , a phenothiazine calmodulin inhibitor , almost completely reversed the resistance of the multiple-drug-resistant cells to doxorubicin , vinblastine , dactinomycin , and daunorubicin , and partially reversed the resistance to colchicine and vincristine .
C0013089
doxorubicin
C0011015
daunorubicin