| 摘要 |
A method for sensitizing multidrug resistant cells to antitumor agents comprising contacting multidrug resistant cells, with an effective amount of a compound of the formula <CHEM> wherein n is 1, 2 or 3, X is CF3, -O-CH3, Br, I, Cl, H, W and S-CH3 and R<1> and R<2>, independently of each other are -CH3-CH2-CH3, CH2CH2OHCH2OH, or NR<1> R<2> form a ring <CHEM> wherein R<3> is -CH3, CH2-CH3,-H, CH2OH and CH2CH2OH. t |
