发明人孙丽萍,赵玉洁,刘建华. "Method for the Synthesis of 2-(Tetrahydro-2H-pyran-4-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115249938 A, 授权公告日 2018-12-26.
发明人朱建伟,张德明,周伟. "A Process for Preparing High-Purity 2-(Tetrahydro-2H-pyran-4-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108357180 A, 授权公告日 2017-07-11.
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