发明人李文辉,冯建国,郑宇鹏. "Method for the Synthesis of 7-Methyl-2-oxo-2H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112128661 B, 授权公告日 2023-02-15.
Rossi M, Schröder R, Björnsson E. "A Process for Preparing High-Purity 7-Methyl-2-oxo-2H-chromene-3-carboxylic acid" [P]. European Patent, EP 3951218 A1, 2025-03-11.
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