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发明人孙丽萍,胡光,张德明. "A Process for Preparing High-Purity 2-Chloro-7-isopropyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113901836 A, 授权公告日 2019-12-05.
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