Process for preparing 3-hydroxy 2-keto acids,申请号US19890394369-传众专利搜索

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发明名称	Process for preparing 3-hydroxy 2-keto acids
摘要
申请公布号	US4973747(A)	申请公布日期	1990.11.27
申请号	US19890394369	申请日期	1989.08.15
申请人	E. R. SQUIBB & SONS, INC.	发明人	SINGH, JANAK;MUELLER, RICHARD H.
分类号	C07C51/373;C07C51/31;C07C59/215;C07C59/90;C07D303/48	主分类号	C07C51/373
代理机构		代理人
主权项
地址

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