Klinger H, Schröder R, Park J H. "一种4-氟-7-硝基-1H-吲哚-2-甲酸乙酯的合成方法" [P]. US Patent, US 11505591 B2, 2020-08-20.
发明人罗永刚,杨光,冯建国. "Method for the Synthesis of Ethyl 4-Fluoro-7-nitro-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111017833 B, 授权公告日 2024-04-13.
发明人胡光,高志强,何建平. "A Process for Preparing High-Purity Ethyl 4-Fluoro-7-nitro-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115924444 A, 授权公告日 2023-07-09.
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