发明人刘建华,赵玉洁,郑宇鹏. "一种溴己新杂质17的合成方法" [P]. 中国发明专利, 专利号 CN 109601648 A, 授权公告日 2021-08-18.
发明人高志强,陈志强,徐明华. "Method for the Synthesis of Bromhexine Impurity 17" [P]. 中国发明专利, 专利号 CN 116001350 B, 授权公告日 2022-02-07.
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