[1] Univ Ferrara, Dipartimento Sci Farmaceut, I-44100 Ferrara, Italy
[2] Univ Palermo, Dipartimento Farmacochim Tossicol & Biol, I-90133 Palermo, Italy
[3] Virginia Commonwealth Univ, Dept Med Chem, Richmond, VA 23298 USA
[4] Virginia Commonwealth Univ, Inst Struct Biol & Drug Discovery, Richmond, VA 23298 USA
[5] Virginia Commonwealth Univ, Massey Canc Ctr, Richmond, VA 23298 USA