Synthesis and Structure-Activity Relationships of Amino Acid Conjugates of Cholanic Acid as Antagonists of the EphA2 Receptor oleh Alessio Lodola, Silvia Rivara, Elisabetta Barocelli, Francesca De Franco, Paola Vicini, Antimo Gioiello, Carmine Giorgio, Iftiin Hassan-Mohamed, Riccardo Castelli, Daniele Pala, Matteo Incerti, Marco Mor, Massimiliano Tognolini, Simonetta Russo