| abstract |
A method of inhibiting cell proliferation or differentiation by exposing a cell to a compound of the formula <IMAGE> or a pharmaceutically acceptable salt thereof. Q is selected from the group consisting of NH and S, n is 0 or 1; and R1-9 are independently selected from the group consisting of halo, trihalomethyl, alkyl, nitro, hydroxy, alkoxy, sulphoxy, sulphonyl, amide, sulfonamide, carboxamide, amino, and hydrogen. Also provided is a compound of the structure <IMAGE> |