发明人李文辉,杨光,王建平. "Method for the Synthesis of Ethyl 1-oxo-2,3,4,9-tetrahydro-1H-carbazole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110679066 A, 授权公告日 2021-07-25.
发明人胡光,刘建华,高志强. "A Process for Preparing High-Purity Ethyl 1-oxo-2,3,4,9-tetrahydro-1H-carbazole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 109515161 A, 授权公告日 2018-07-01.
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