Björnsson E, Rossi M, Lefèvre J P. "一种2-(5-硝基-3-吲哚基)-2-氧代乙酸乙酯的合成方法" [P]. European Patent, EP 3895562 A1, 2025-05-23.
发明人马晓峰,赵玉洁,郑宇鹏. "Method for the Synthesis of Ethyl 2-(5-Nitro-3-indolyl)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 116488111 A, 授权公告日 2020-07-24.
发明人冯建国,郭海燕,徐明华. "A Process for Preparing High-Purity Ethyl 2-(5-Nitro-3-indolyl)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 111441822 B, 授权公告日 2023-02-22.
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