发明人赵玉洁,周伟,沈红梅. "Method for the Synthesis of 4-hydroxy-6,8-dimethoxyquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114766031 B, 授权公告日 2019-08-08.
发明人钱学锋,杨光,马晓峰. "A Process for Preparing High-Purity 4-hydroxy-6,8-dimethoxyquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109541663 B, 授权公告日 2022-12-18.
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