发明人李文辉,林芳,何建平. "Method for the Synthesis of 3-Amino-indan-5-sulfonic acid cyclopentylamide" [P]. 中国发明专利, 专利号 CN 116586328 B, 授权公告日 2017-08-17.
发明人刘建华,郑宇鹏,朱建伟. "A Process for Preparing High-Purity 3-Amino-indan-5-sulfonic acid cyclopentylamide" [P]. 中国发明专利, 专利号 CN 113495370 A, 授权公告日 2023-02-04.
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