发明人郭海燕,罗永刚,赵玉洁. "Method for the Synthesis of 2-(3,4-Dihydroxyphenyl)-3-hydroxy-6-methyl-4H-1-benzopyran-4-one" [P]. 中国发明专利, 专利号 CN 111628859 A, 授权公告日 2025-09-21.
Kumar R, Fischer A B, Schröder R. "A Process for Preparing High-Purity 2-(3,4-Dihydroxyphenyl)-3-hydroxy-6-methyl-4H-1-benzopyran-4-one" [P]. US Patent, US 9009867 B2, 2023-02-02.
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