El-Nezhawy, Ahmed O.H.; Biuomy, Ayman R.; Hassan, Fatma S.; Ismaiel, Ayman K.; Omar, Hany A. Bioorganic and Medicinal Chemistry, 2013, vol. 21, # 7 p. 1661 - 1670 doi: 10.1016/j.bmc.2013.01.070