The present invention provides a compound represented by Formula (I):
or a salt thereof, or a solvate thereof, or a combination thereof, wherein the substituents are as defined herein.
The present invention also relates to a composition comprising the compound of formula (I) and diluents, carriers, or excipients. Furthermore, the present invention relates to a method of treating a disease of cell proliferation comprising administering to a patient in need thereof a pharmaceutically effective amount of the compound of formula (I) or a salt thereof, or a solvate thereof, or a combination thereof.