发明人张德明,唐晓军,朱建伟. "Method for the Synthesis of 3-ethyl 5-methyl 2-amino-1H-indole-3,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111629598 A, 授权公告日 2023-01-24.
发明人郭海燕,黄志刚,刘建华. "A Process for Preparing High-Purity 3-ethyl 5-methyl 2-amino-1H-indole-3,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115660501 A, 授权公告日 2015-05-05.
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