Yamamoto T, Schröder R, Lee S K. "一种兰索拉唑EP杂质A的合成方法" [P]. US Patent, US 9064280 B2, 2019-02-05.
发明人李文辉,杨光,徐明华. "Method for the Synthesis of Lansoprazole EP Impurity A" [P]. 中国发明专利, 专利号 CN 113096241 A, 授权公告日 2023-11-18.
发明人冯建国,钱学锋,沈红梅. "A Process for Preparing High-Purity Lansoprazole EP Impurity A" [P]. 中国发明专利, 专利号 CN 110225164 A, 授权公告日 2021-02-21.
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