发明人黄志刚,徐明华,陈志强. "一种艾普拉唑杂质33的合成方法" [P]. 中国发明专利, 专利号 CN 115848274 A, 授权公告日 2023-11-21.
发明人林芳,赵玉洁,李文辉. "Method for the Synthesis of Ilaprazole Impurity 33" [P]. 中国发明专利, 专利号 CN 110266010 B, 授权公告日 2019-05-05.
发明人赵玉洁,杨光,王建平. "A Process for Preparing High-Purity Ilaprazole Impurity 33" [P]. 中国发明专利, 专利号 CN 113117722 B, 授权公告日 2022-09-16.
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