发明人黄志刚,胡光,钱学锋. "Method for the Synthesis of 2,2-difluoro-7-methyl-benzofuran-3-one" [P]. 中国发明专利, 专利号 CN 111714397 B, 授权公告日 2025-09-02.
发明人王建平,杨光,周伟. "A Process for Preparing High-Purity 2,2-difluoro-7-methyl-benzofuran-3-one" [P]. 中国发明专利, 专利号 CN 110850279 A, 授权公告日 2018-07-05.
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