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发明人张德明,孙丽萍,韩伟. "A Process for Preparing High-Purity Methyl 3-({[5-oxo-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114144059 B, 授权公告日 2024-08-13.
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