发明人杨光,赵玉洁,马晓峰. "Method for the Synthesis of 2-(5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 113384667 B, 授权公告日 2019-03-26.
发明人郑宇鹏,周伟,杨光. "A Process for Preparing High-Purity 2-(5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 110367084 B, 授权公告日 2016-10-27.
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