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发明人王建平,李文辉,孙丽萍. "Method for the Synthesis of 5-Cyclopropyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111537481 B, 授权公告日 2020-01-11.
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