发明人赵玉洁,钱学锋,朱建伟. "Method for the Synthesis of 3-(2-Oxoindolin-5-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 113657166 B, 授权公告日 2019-05-13.
发明人高志强,马晓峰,刘建华. "A Process for Preparing High-Purity 3-(2-Oxoindolin-5-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 108915553 A, 授权公告日 2017-10-23.
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