发明人冯建国,周伟,钱学锋. "Method for the Synthesis of Esomeprazole Impurity 92" [P]. 中国发明专利, 专利号 CN 109053259 A, 授权公告日 2023-05-24.
发明人郭海燕,钱学锋,孙丽萍. "A Process for Preparing High-Purity Esomeprazole Impurity 92" [P]. 中国发明专利, 专利号 CN 109425589 A, 授权公告日 2021-08-25.
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