发明人黄志刚,罗永刚,徐明华. "Method for the Synthesis of Methyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112573534 B, 授权公告日 2022-02-16.
发明人林芳,李文辉,胡光. "A Process for Preparing High-Purity Methyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114842450 B, 授权公告日 2017-02-02.
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