Patel M V, Yamamoto T, Klinger H. "一种的合成方法" [P]. US Patent, US 10861125 B2, 2024-02-12.
发明人何建平,沈红梅,王建平. "Method for the Synthesis of 6-Chloro-7-methoxy-2-oxo-2H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116872991 A, 授权公告日 2018-11-01.
发明人郑宇鹏,韩伟,刘建华. "A Process for Preparing High-Purity 6-Chloro-7-methoxy-2-oxo-2H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113469011 B, 授权公告日 2021-01-17.
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