UNION CITY, Calif.--(BUSINESS WIRE)--May 5, 2006--Questcor Pharmaceuticals, Inc. (AMEX:QSC - News) today announced the acquisition of U.S. rights to Doral® (quazepam), a non-narcotic, selective benzodiazepine receptor agonist that is indicated for the treatment of insomnia, characterized by difficulty in falling asleep, frequent nocturnal awakenings, and/or early morning awakenings. Questcor is acquiring the product from MedPointe Inc. for $2.5 million in cash and a future milestone payment of $1.5 million. Gross ex-factory sales for Doral in 2005 were $1.1 million.