| 摘要 |
Novel imidazobenzoxazines of the formula <IMAGE> I wherein X is selected from the group consisting of hydrogen, halogen and alkyl of 1 to 5 carbon atoms, R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, and an equivalent of alkali metal, alkaline earth metal, magnesium, aluminum and nitrogen bases, Y is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, Z is selected from the group consisting of hydrogen and alkoxy of 1 to 5 carbon atoms with the proviso that at least one but not more than 2 of X, Y and Z are hydrogen, and their non-toxic, pharmaceutically acceptable acid addition salts having antiallergic and bronchodilatory activity and their preparation. |
