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发明人钱学锋,王建平,周伟. "A Process for Preparing High-Purity 2-{5-methyl-7-oxo-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethyl N-(4-methylphenyl)carbamate" [P]. 中国发明专利, 专利号 CN 108660039 A, 授权公告日 2023-08-09.
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