发明人马晓峰,何建平,冯建国. "Method for the Synthesis of 2-Cyano-1,4-benzodioxan" [P]. 中国发明专利, 专利号 CN 109815211 B, 授权公告日 2022-07-17.
发明人王建平,陈志强,孙丽萍. "A Process for Preparing High-Purity 2-Cyano-1,4-benzodioxan" [P]. 中国发明专利, 专利号 CN 117660366 A, 授权公告日 2024-02-11.
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