发明人唐晓军,刘建华,冯建国. "Method for the Synthesis of Methyl 3-(2-carboxy-vinyl)-5-methoxy-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114503155 B, 授权公告日 2025-06-19.
发明人韩伟,赵玉洁,徐明华. "A Process for Preparing High-Purity Methyl 3-(2-carboxy-vinyl)-5-methoxy-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110396866 A, 授权公告日 2018-07-21.
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