发明人周伟,何建平,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113148036 A, 授权公告日 2023-03-25.
发明人王建平,赵玉洁,罗永刚. "Method for the Synthesis of 7-Chloro-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109160628 B, 授权公告日 2022-10-15.
发明人赵玉洁,马晓峰,朱建伟. "A Process for Preparing High-Purity 7-Chloro-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113636937 B, 授权公告日 2022-12-24.
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