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发明名称
摘要
申请公布号
BE742049(A)
申请公布日期
1970.05.21
申请号
BED742049
申请日期
1969.11.21
申请人
发明人
分类号
C07D263/56;C07D263/57;C07D277/66
主分类号
C07D263/56
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代理人
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地址
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