发明人高志强,林芳,冯建国. "Method for the Synthesis of 3,3-Difluoro-6-methoxyindolin-2-one" [P]. 中国发明专利, 专利号 CN 111805337 B, 授权公告日 2025-07-02.
发明人黄志刚,林芳,韩伟. "A Process for Preparing High-Purity 3,3-Difluoro-6-methoxyindolin-2-one" [P]. 中国发明专利, 专利号 CN 108256691 A, 授权公告日 2022-08-09.
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