发明人冯建国,陈志强,韩伟. "Method for the Synthesis of Ethyl 3-(4-nitro-1H-indol-3-yl)propanoate" [P]. 中国发明专利, 专利号 CN 115063017 A, 授权公告日 2023-04-12.
发明人赵玉洁,周伟,张德明. "A Process for Preparing High-Purity Ethyl 3-(4-nitro-1H-indol-3-yl)propanoate" [P]. 中国发明专利, 专利号 CN 114537730 B, 授权公告日 2020-01-13.
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