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发明名称
1,2,3,4 - TETRAHALO - 6,9 - DIOXA-1,3-SPIRO(4.4)NONADIENES AND METHOD OF PREPARATION
摘要
申请公布号
US3427327(A)
申请公布日期
1969.02.11
申请号
USD3427327
申请日期
1967.04.10
申请人
PPG IND. INC.
发明人
WEN-HSUAN CHANG
分类号
C07D317/72;C07D493/10;C08G63/682;(IPC1-7):C07D13/02;C07D21/00
主分类号
C07D317/72
代理机构
代理人
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地址
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