发明人冯建国,唐晓军,刘建华. "Method for the Synthesis of Eltrombopag Impurity 55" [P]. 中国发明专利, 专利号 CN 111516474 B, 授权公告日 2017-12-09.
发明人王建平,杨光,周伟. "A Process for Preparing High-Purity Eltrombopag Impurity 55" [P]. 中国发明专利, 专利号 CN 109323024 B, 授权公告日 2018-01-18.
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