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经营范围
发明名称
3, 4-dihydro-2eta-pyrannes
摘要
申请公布号
FR1545601(A)
申请公布日期
1968.11.15
申请号
FR19670108875
申请日期
1967.06.02
申请人
MERCK & CO., INC.
发明人
分类号
C07D309/22
主分类号
C07D309/22
代理机构
代理人
主权项
地址
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