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发明名称
3-substituted 4-hydroxycoumarins and process for their production
摘要
申请公布号
US2648682(A)
申请公布日期
1953.08.11
申请号
US19510204281
申请日期
1951.01.03
申请人
J. R. GEIGY A. G.
发明人
STOLL WILLY;LITVAN FRANZ
分类号
C07D311/46
主分类号
C07D311/46
代理机构
代理人
主权项
地址
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