发明人黄志刚,周伟,林芳. "Method for the Synthesis of 3,4-Bis[(tetrahydro-2H-pyran-2-yl)oxy]benzeneacetic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 111518205 B, 授权公告日 2021-09-15.
发明人赵玉洁,刘建华,陈志强. "A Process for Preparing High-Purity 3,4-Bis[(tetrahydro-2H-pyran-2-yl)oxy]benzeneacetic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 112604963 A, 授权公告日 2024-01-26.
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