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公开(公告)号：US3365452A
公开(公告)日：1968-01-23
申请号：US15375561
申请日：1961-11-20
Applicant: BASF AG
Inventor： HANS WEIDINGER , GERHARD WEILENREUTHER
IPC: C07D241/44
CPC classification number: C07D241/44
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