Pyrazolo-quinazoline derivatives of formula (Ia) or (Ib) as defined in the specification, and pharmaceutically acceptable salts thereof, process for their preparation and pharmaceutical compositions comprising them are disclosed； the compounds of the invention may be useful, in therapy, in the treatment of diseases associated with a disregulated protein kinase activity, like cancer.Otkriveni su derivati pirazolo-kinazolina formule (Ia) ili (Ib) i njihove farmaceutski prihvatljive soli, gdje isti jesu kako je to definirano u tekstu, postupci njihove pripreme i postupci pripreme farmaceutskih pripravaka koji ih sadrže. Spojevi prema ovom izumu mogu biti korisni u terapijske svrhe prilikom tretmana bolesti povezanih s poremećenom regulacijom aktivnosti protein kinaze, kao što je to kancer.
