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发明名称
SPIROPYRAN COMPOUNDS
摘要
申请公布号
CA2028777(A1)
申请公布日期
1990.08.29
申请号
CA19902028777
申请日期
1990.02.27
申请人
OTSUKA KAGAKU KABUSHIKI KAISHA
发明人
MIYASHITA, AKIRA
分类号
C07D491/10;C07D495/10;C07D517/10;G03C1/685
主分类号
C07D491/10
代理机构
代理人
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地址
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