PYRAZOLE DERIVATIVES FOR THE INHIBITION OF CDK'S AND GSK'S

摘要

The invention provides a compound of the formula (I): or salts, tautomers, solvates and N-oxides thereof; wherein: R1 is 2,6-dichlorophenyl; R2a and R2 are both hydrogen; and R3 is a group: where R4 is C1-4 alkyl. The compounds have activity as inhibitors of CDK kinases and inhibit the proliferation of cancer cells.