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发明人刘建华,沈红梅,马晓峰. "Method for the Synthesis of Ethyl 7-Nitroindole-3-acetate" [P]. 中国发明专利, 专利号 CN 115198652 A, 授权公告日 2021-05-22.
Kumar R, Thompson G K, Stevens L M. "A Process for Preparing High-Purity Ethyl 7-Nitroindole-3-acetate" [P]. US Patent, US 11150167 B2, 2017-12-12.
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