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发明名称
N-3,7 substituted 1-methylxanthine derivatives displaying inhibitory activities on type five phosphodiesterase
摘要
申请公布号
GB0118522(D0)
申请公布日期
2001.09.19
申请号
GB20010018522
申请日期
2001.07.30
申请人
CHEN, ING-JUN
发明人
分类号
A61K31/522;A61P9/08;A61P21/00;C07D473/06;C07D473/08
主分类号
A61K31/522
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代理人
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