发明人刘建华,沈红梅,何建平. "Method for the Synthesis of ethyl 7-cyano-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117142138 B, 授权公告日 2025-12-23.
发明人冯建国,陈志强,李文辉. "A Process for Preparing High-Purity ethyl 7-cyano-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109930892 A, 授权公告日 2017-10-21.
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