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发明人张德明,马晓峰,韩伟. "A Process for Preparing High-Purity N-(4-Acetyl-5-(pyridin-3-yl)-4,5-dihydro-1,3,4-thiadiazol-2-yl)acetamide" [P]. 中国发明专利, 专利号 CN 117375051 B, 授权公告日 2016-03-06.
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