| 摘要 |
A compound selected from the group consisting of pyrimido quinoxalines of the formula <IMAGE> wherein R1 represents an alkoxy radical of 1 to 5 carbon atoms and R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, -CORA, -CHO and <IMAGE> RA is selected from the group consisting of alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, alkoxy of 1 to 5 carbon atoms and phenyl optionally substituted with at least one member of the group consisting of halogen, -NO2 and alkoxy of 1 to 3 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having antiallergic properties.
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