发明人赵玉洁,杨光,沈红梅. "一种舒林酸杂质89的合成方法" [P]. 中国发明专利, 专利号 CN 108779624 A, 授权公告日 2018-01-15.
发明人李文辉,钱学锋,张德明. "Method for the Synthesis of Sulindac Impurity 89" [P]. 中国发明专利, 专利号 CN 117394926 B, 授权公告日 2024-08-13.
发明人马晓峰,沈红梅,黄志刚. "A Process for Preparing High-Purity Sulindac Impurity 89" [P]. 中国发明专利, 专利号 CN 111862020 B, 授权公告日 2018-06-20.
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