发明人刘建华,周伟,韩伟. "Method for the Synthesis of 1-(4-Methylphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114365256 B, 授权公告日 2018-02-08.
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