发明人赵玉洁,沈红梅,胡光. "Method for the Synthesis of 5-Bromo-3-hydroxy-3-(pyridin-2-ylmethyl)indolin-2-one" [P]. 中国发明专利, 专利号 CN 109199417 A, 授权公告日 2021-09-23.
发明人何建平,李文辉,张德明. "A Process for Preparing High-Purity 5-Bromo-3-hydroxy-3-(pyridin-2-ylmethyl)indolin-2-one" [P]. 中国发明专利, 专利号 CN 116841903 B, 授权公告日 2022-09-24.
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