发明人杨光,何建平,李文辉. "Method for the Synthesis of Ethyl 2-amino-7-hydroxybenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114737524 A, 授权公告日 2018-03-20.
Klinger H, Lee S K, Anderson J P. "A Process for Preparing High-Purity Ethyl 2-amino-7-hydroxybenzo[b]thiophene-3-carboxylate" [P]. US Patent, US 10234291 B2, 2021-09-08.
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