发明人李文辉,林芳,黄志刚. "Method for the Synthesis of (3E)-3-[(2-Chloro-6-fluorophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one" [P]. 中国发明专利, 专利号 CN 110895070 B, 授权公告日 2025-09-23.
发明人朱建伟,赵玉洁,周伟. "A Process for Preparing High-Purity (3E)-3-[(2-Chloro-6-fluorophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one" [P]. 中国发明专利, 专利号 CN 110814842 B, 授权公告日 2023-09-20.
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