Hughes D C, Stevens L M, Klinger H. "Method for the Synthesis of 3-(4,8-Dimethyl-7-((3-methylbut-2-en-1-yl)oxy)-2-oxo-2h-chromen-3-yl)propanoic acid" [P]. US Patent, US 11340153 B2, 2018-06-23.
发明人徐明华,孙丽萍,周伟. "A Process for Preparing High-Purity 3-(4,8-Dimethyl-7-((3-methylbut-2-en-1-yl)oxy)-2-oxo-2h-chromen-3-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 115945353 B, 授权公告日 2021-08-18.
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