发明人林芳,何建平,唐晓军. "Method for the Synthesis of 5-Hydroxy-7-methylindolin-2-one" [P]. 中国发明专利, 专利号 CN 108039953 A, 授权公告日 2023-10-20.
Kumar R, Park J H, Schröder R. "A Process for Preparing High-Purity 5-Hydroxy-7-methylindolin-2-one" [P]. US Patent, US 11682997 B2, 2016-10-04.
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