发明人黄志刚,沈红梅,杨光. "Method for the Synthesis of Febuxostat Impurity 6" [P]. 中国发明专利, 专利号 CN 112698159 A, 授权公告日 2022-05-05.
发明人李文辉,杨光,冯建国. "A Process for Preparing High-Purity Febuxostat Impurity 6" [P]. 中国发明专利, 专利号 CN 114077975 A, 授权公告日 2019-03-14.
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