Tziveleka, Leto-A; Kourounakis, Angeliki P; Kourounakis, Panos N; Roussis, Vassilios; Vagias, Constantinos Bioorganic and Medicinal Chemistry, 2002, vol. 10, # 4 p. 935 - 939 doi: 10.1016/S0968-0896(01)00346-7