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发明人周伟,冯建国,刘建华. "Method for the Synthesis of 1-(2-Chlorophenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115944823 A, 授权公告日 2017-03-02.
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