发明人李文辉,冯建国,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108489807 A, 授权公告日 2022-04-06.
发明人陈志强,高志强,钱学锋. "Method for the Synthesis of ethyl 1H-indole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108784196 A, 授权公告日 2023-07-07.
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