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发明人孙丽萍,胡光,张德明. "A Process for Preparing High-Purity 5-(1-Methyl-1h-pyrazol-4-yl)thiophene-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111525590 A, 授权公告日 2023-09-01.
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