发明人李文辉,陈志强,赵玉洁. "一种S-西他沙星杂质48的合成方法" [P]. 中国发明专利, 专利号 CN 115918444 A, 授权公告日 2020-12-03.
发明人林芳,黄志刚,唐晓军. "Method for the Synthesis of S-Sitafloxacin Impurity 48" [P]. 中国发明专利, 专利号 CN 116341049 B, 授权公告日 2020-01-08.
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