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发明人何建平,沈红梅,林芳. "A Process for Preparing High-Purity (Z)-4-(Benzo[d][1,3]dioxol-5-ylmethylene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 113715385 A, 授权公告日 2021-05-14.
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