| abstract |
A method for inhibiting breast disease in which an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt or solvate thereof is administered to a human being in need thereof:n n n n n n n n In the above formula,n n n R 1 and R 3 are independently hydrogen, -CH 3 , Wherein Ar is optionally substituted phenyl: R 2 is selected from the group consisting of pyrrolidino, hexamethyleneimino and piperidino. |