发明人孙丽萍,冯建国,刘建华. "Method for the Synthesis of 5,7-Difluoro-4-hydroxyquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109976017 B, 授权公告日 2016-05-18.
发明人张德明,何建平,韩伟. "A Process for Preparing High-Purity 5,7-Difluoro-4-hydroxyquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116329444 B, 授权公告日 2025-01-01.
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