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发明名称
VERFAHREN ZUR HERSTELLUNG VON N.N-DIALKYLIMMONIUMSALZEN DER 2-FORMYLMETHYLEN-2H-1-BENZOPYRANE
摘要
申请公布号
DD247453(A1)
申请公布日期
1987.07.08
申请号
DD19860288600
申请日期
1986.04.01
申请人
VEB CARL ZEISS JENA,DD
发明人
CZERNEY,PETER,DD
分类号
C07D311/58;(IPC1-7):C07D311/58
主分类号
C07D311/58
代理机构
代理人
主权项
地址
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