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发明人孙丽萍,何建平,赵玉洁. "A Process for Preparing High-Purity 4-((3,4-Dichlorobenzyl)thio)-5-ethoxy-2-phenylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116162561 A, 授权公告日 2022-03-04.
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