| 摘要 |
The compounds have the formula below in which R<8> = alkoxy and R<9> represents various groups, for example -CN, -NHC(R<12>)=CR<10>R<11>, -N=N-CHR<13>R<14>, -CONR<15>R<16> or -NH-C(=Y<1>)-NHR<15>, with: R<10>, R <13>, R<14> = CN, alkanoyl or alkoxycarbonyl; R<11> = H, CN, alkanoyl or alkoxycarbonyl; R<12> = H, alkyl or alkoxycarbonyl, or R<11> + R<12> = alkylene chain; R<15>, R<16> = H or alkyl; Y<1> = O or S. Applications in the treatment of respiratory disorders, especially allergic bronchial asthma. <IMAGE>
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