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经营范围
发明名称
NOVEL ALPHA-PYRONES
摘要
申请公布号
US3655694(A)
申请公布日期
1972.04.11
申请号
USD3655694
申请日期
1971.02.11
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
KYU TAI LEE;JOEL G. WHITNEY
分类号
C07D311/92;(IPC1-7):C07D7/18
主分类号
C07D311/92
代理机构
代理人
主权项
地址
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