发明人张德明,孙丽萍,陈志强. "Method for the Synthesis of Clarithromycin EP Impurity K" [P]. 中国发明专利, 专利号 CN 110484784 A, 授权公告日 2018-09-18.
发明人黄志刚,郑宇鹏,李文辉. "A Process for Preparing High-Purity Clarithromycin EP Impurity K" [P]. 中国发明专利, 专利号 CN 109144315 B, 授权公告日 2017-06-06.
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