发明人何建平,韩伟,郑宇鹏. "Method for the Synthesis of 3-(4-Nitrophenyl)indolin-2-one" [P]. 中国发明专利, 专利号 CN 113514262 B, 授权公告日 2020-02-23.
发明人沈红梅,马晓峰,王建平. "A Process for Preparing High-Purity 3-(4-Nitrophenyl)indolin-2-one" [P]. 中国发明专利, 专利号 CN 113033342 B, 授权公告日 2021-06-08.
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