发明人赵玉洁,罗永刚,沈红梅. "Method for the Synthesis of Ethyl 1-ethyl-3-formyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117645608 A, 授权公告日 2022-04-16.
发明人韩伟,罗永刚,赵玉洁. "A Process for Preparing High-Purity Ethyl 1-ethyl-3-formyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108523481 A, 授权公告日 2017-06-13.
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