abstract |
Compounds of general formula (I), wherein R1 is H or C1 to C3 alkyl; R2 is aryl or -(CH2)n-aryl and n is 1 to 4; R3 is H or CH3; and R4 is substituted or unsubstituted phenyl, pyridyl, thiophene, furan, indole, pyrrole, thiazole or imidazole are described, as well as methods for treating cell proliferative disorders and neoplastic disorders. |