Derivados de la cromenona con actividad antitumoral

摘要

The invention concerns chromenone derivatives of Formula I or a pharmaceutically-acceptable salts thereof, wherein each of R1, R2, R3, R4, R5, R6, R7, R8, n and R9 has any of the meanings defined hereinbefore in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use in the treatment of cell proliferative disorders.