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发明人马晓峰,张德明,胡光. "A Process for Preparing High-Purity 4-[(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolan-5-yliden)methyl]benzenecarboxylic acid" [P]. 中国发明专利, 专利号 CN 109360385 B, 授权公告日 2016-05-09.
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