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1.发明授权
公开(公告)号：US3075874A
公开(公告)日：1963-01-29
申请号：US81333359
申请日：1959-05-15
Applicant: MONSANTO CHEMICALS
Inventor： WEESNER WILLIAM E , WEBSTER JAMES A
IPC: C07F9/165
CPC classification number: C07F9/1655
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