One GSK:http://www.organic-reaction.com/patent-highlights/gsk/wo2010068262/?nid=652462 Four Sanofi-Aventis:http://www.organic-reaction.com/patent-highlights/sanofi-aventis/wo2010070237/?nid=652462http://www.organic-reaction.com/patent-highlights/sanofi-aventis/wo2010065803/?nid=652462http://www.organic-reaction.com/patent-highlights/sanofi-aventis/wo2010065798/?nid=652462http://www.organic-reaction.com/patent-highlights/sanofi-aventis/wo2010070238/?nid=652462