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发明人朱建伟,马晓峰,高志强. "A Process for Preparing High-Purity 4-(2-Ethylbutylidene)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 112289130 B, 授权公告日 2020-07-28.
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