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发明人黄志刚,张德明,赵玉洁. "Method for the Synthesis of 4-Amino-3-cyano-4,5-dihydrothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108542753 A, 授权公告日 2015-08-28.
发明人郑宇鹏,杨光,黄志刚. "A Process for Preparing High-Purity 4-Amino-3-cyano-4,5-dihydrothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108236857 A, 授权公告日 2024-10-24.
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