发明人王建平,赵玉洁,陈志强. "一种氧氟沙星EP杂质E(盐酸盐)的合成方法" [P]. 中国发明专利, 专利号 CN 112377594 A, 授权公告日 2023-02-27.
Chen K W, Mueller T, Williams B T. "Method for the Synthesis of Ofloxacin EP Impurity E(HCl)" [P]. US Patent, US 10102367 B2, 2023-10-26.
发明人张德明,韩伟,黄志刚. "A Process for Preparing High-Purity Ofloxacin EP Impurity E(HCl)" [P]. 中国发明专利, 专利号 CN 111568728 A, 授权公告日 2022-06-03.
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