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发明名称
Verfahren zur Herstellung von 4-Oxycumarinen und 1-Thio-4-oxycumarinen
摘要
申请公布号
DE938847(C)
申请公布日期
1956.02.09
申请号
DE1954G014950
申请日期
1954.07.22
申请人
J. R. GEIGY A.-G.
发明人
ZIEGLER ERICH DR.
分类号
C07D335/06
主分类号
C07D335/06
代理机构
代理人
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