Italy's Angelini Pharma to buy Catalyst Pharmaceuticals for $4.1 billion
May 7 (Reuters) - Italy's Angelini Pharma said on Thursday it has agreed to acquire Catalyst Pharmaceuticals CPRX.O for $4.1 billion. (Reporting by Ananya Palyekar in Bengaluru; Editing by Sumana Nandy) ((Ananya.Palyekar@thomsonreuters.com;))