发明人王建平,周伟,陈志强. "一种2,2-二甲基-4-氧代色满-7-甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 109328755 A, 授权公告日 2016-07-26.
发明人杨光,罗永刚,朱建伟. "Method for the Synthesis of Ethyl 2,2-Dimethyl-4-oxochroman-7-carboxylate" [P]. 中国发明专利, 专利号 CN 112751931 B, 授权公告日 2021-01-03.
发明人韩伟,罗永刚,徐明华. "A Process for Preparing High-Purity Ethyl 2,2-Dimethyl-4-oxochroman-7-carboxylate" [P]. 中国发明专利, 专利号 CN 110405153 A, 授权公告日 2023-02-21.
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