发明人刘建华,赵玉洁,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114177978 A, 授权公告日 2018-08-28.
发明人黄志刚,周伟,马晓峰. "Method for the Synthesis of Brimonidine Related Impurity 4" [P]. 中国发明专利, 专利号 CN 116626484 B, 授权公告日 2023-10-17.
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