发明人林芳,周伟,罗永刚. "一种1-(2-乙氧基-2-氧代乙基)-1H-吲哚-2-羧酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 116132883 A, 授权公告日 2015-01-25.
Nielsen H, Kowalski A, Mueller T C. "Method for the Synthesis of Ethyl 1-(2-ethoxy-2-oxoethyl)-1H-indole-2-carboxylate" [P]. European Patent, EP 3443530 A1, 2015-09-27.
发明人黄志刚,唐晓军,高志强. "A Process for Preparing High-Purity Ethyl 1-(2-ethoxy-2-oxoethyl)-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111557310 B, 授权公告日 2021-03-22.
参考文献 Literature
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