abstract |
The present invention has the formula (1) [Chemical 1] Wherein A, X, Y, Z, R a , R b , R c , R 1 , R 2 and R 3 are as defined in claim 1. These compounds are suitable for use in the treatment of diseases characterized by excessive or abnormal cell proliferation. The invention also relates to the use of these compounds in the manufacture of a medicament having the above properties. |