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发明人高志强,赵玉洁,杨光. "A Process for Preparing High-Purity 2,4-Bis(3-chlorophenyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 109913497 A, 授权公告日 2017-02-14.
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