发明人马晓峰,郭海燕,高志强. "Method for the Synthesis of 6-Ethoxy-3,3-dimethylindolin-2-one" [P]. 中国发明专利, 专利号 CN 111367155 A, 授权公告日 2019-04-16.
发明人唐晓军,王建平,朱建伟. "A Process for Preparing High-Purity 6-Ethoxy-3,3-dimethylindolin-2-one" [P]. 中国发明专利, 专利号 CN 109118559 B, 授权公告日 2017-09-13.
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