发明人马晓峰,刘建华,韩伟. "Method for the Synthesis of 7-Bromo-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carbaldehyde" [P]. 中国发明专利, 专利号 CN 117770056 B, 授权公告日 2015-08-22.
发明人何建平,胡光,沈红梅. "A Process for Preparing High-Purity 7-Bromo-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carbaldehyde" [P]. 中国发明专利, 专利号 CN 116619193 A, 授权公告日 2017-08-11.
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