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发明人孙丽萍,胡光,冯建国. "Method for the Synthesis of 4,6-Dihydro-1H-thieno[3,4-c]pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108448749 A, 授权公告日 2018-05-23.
发明人黄志刚,朱建伟,高志强. "A Process for Preparing High-Purity 4,6-Dihydro-1H-thieno[3,4-c]pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113561468 B, 授权公告日 2025-12-18.
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