Schröder R, Kowalski A, Jørgensen K. "Method for the Synthesis of Ethyl 6-bromo-3-hydroxy-2-oxo-1,2-dihydroquinoline-4-carboxylate" [P]. European Patent, EP 3842961 A1, 2024-05-16.
发明人郑宇鹏,黄志刚,杨光. "A Process for Preparing High-Purity Ethyl 6-bromo-3-hydroxy-2-oxo-1,2-dihydroquinoline-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111807048 A, 授权公告日 2021-02-17.
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