发明人徐明华,李文辉,沈红梅. "Method for the Synthesis of 2-((4-Bromophenyl)thio)-4-(4-ethoxyphenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 108887962 A, 授权公告日 2020-02-18.
发明人黄志刚,冯建国,郑宇鹏. "A Process for Preparing High-Purity 2-((4-Bromophenyl)thio)-4-(4-ethoxyphenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 110664333 B, 授权公告日 2022-09-14.
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