EP2773353A1 - N-(3-{[(3-{[2-CHLORO-5-(METHOXY)PHENYL]AMINO}QUINOXALIN-2-YL)AMINO]SULFONYL}PHENYL)-2-METHYLALANINAMIDE AS PHOSPHATIDYLINOSITOL 3-KINASE INHIBITOR FOR THE TREATMENT OF LYMPHOPROLIFERATIVE MALIGNANCIES