发明人徐明华,何建平,高志强. "一种2-chloro-N-[1-(2-oxo-2,3-dihydro-1H-indol-5-yl)ethyl]acetamide的合成方法" [P]. 中国发明专利, 专利号 CN 111505922 A, 授权公告日 2022-02-24.
发明人冯建国,韩伟,徐明华. "Method for the Synthesis of 2-chloro-N-[1-(2-oxo-2,3-dihydro-1H-indol-5-yl)ethyl]acetamide" [P]. 中国发明专利, 专利号 CN 108967868 B, 授权公告日 2025-12-27.
发明人郭海燕,何建平,韩伟. "A Process for Preparing High-Purity 2-chloro-N-[1-(2-oxo-2,3-dihydro-1H-indol-5-yl)ethyl]acetamide" [P]. 中国发明专利, 专利号 CN 112798713 A, 授权公告日 2022-03-22.
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