A compound is provided, having the general structure (A): wherein A is an (un)substituted
aryl or (un)substituted heteroaryl
moiety, G is N, CH, or CR, R is an unsubstituted or substituted lower
alkyl, Y is a hydrophobic linking
moiety, and L is a substitutent as defined. The compound (A) can be used for treatment of various angiogenic and hematological-associated disorders, such as myeloproliferative disorder in patients who do not respond to
kinase-inhibition therapy that comprises administering approved medications.