| 发明名称 |
XANTHINE DERIVATIVES |
| 摘要 |
<p>The present invention provides a process for preparing novel antiallergic compounds of the formula (I) or a physiologically acceptable salt thereof, in which formula R1 is methyl, ethyl or n-propyl, R2 is methyl or n-propyl and R3 is a radical of the formula or .</p> |
| 申请公布号 |
CA1109470(A) |
申请公布日期 |
1981.09.22 |
| 申请号 |
CA19780313026 |
申请日期 |
1978.10.10 |
| 申请人 |
AKTIEBOLAGET DRACO |
发明人 |
BERGSTRAND, STEN H.A.M .;KJELLIN, PER G.;PERSSON, CARL G.A.;SOERENBY, LARS M. |
| 分类号 |
C07D239/54;A61K31/52;A61K31/522;A61P37/08;C07D239/545;C07D473/06;(IPC1-7):07D473/06 |
主分类号 |
C07D239/54 |
| 代理机构 |
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