Medazepam. Medazepam AWD . Medazepam Hydrochloride . Medazepam Monohydrochloride . Nobrium . Ro 5-4556 . Rudotel . Rusedal . Hydrochloride, Medazepam . Monohydrochloride, Medazepam . Ro 5 4556 . Ro 54556 . A benzodiazepine derivative used in the treatment of anxiety. It has sedative, muscle relaxant, and anticonvulsant properties. One of its metabolites is DIAZEPAM and one of its excretion products is OXAZEPAM. . 1.00