摘要 |
Novel imidazoquinoxalines of the formula <IMAGE> I wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, -NH4, alkali metal, alkaline earth metal, magnesium, aluminum and non-toxic, pharmaceutically acceptable amines, X is selected from the group consisting of hydrogen, alkoxy of 1 to 5 carbon atoms and carbamoyl and Y and Z are individually selected from the group consisting of hydrogen and halogen and their non-toxic, pharmaceutically acceptable acid addition salts having anti-allergic activity and their preparation. |