发明人韩伟,何建平,胡光. "Method for the Synthesis of 3-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109545167 A, 授权公告日 2022-06-22.
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