发明人马晓峰,何建平,钱学锋. "Method for the Synthesis of 4-(2,3-Dioxoindolin-5-yl)benzaldehyde" [P]. 中国发明专利, 专利号 CN 108221439 A, 授权公告日 2023-09-18.
Nielsen H, Rossi M, Martínez F. "A Process for Preparing High-Purity 4-(2,3-Dioxoindolin-5-yl)benzaldehyde" [P]. European Patent, EP 3747169 A1, 2020-10-03.
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