发明人何建平,马晓峰,王建平. "一种罗沙替丁杂质48的合成方法" [P]. 中国发明专利, 专利号 CN 109097054 A, 授权公告日 2023-03-09.
发明人何建平,徐明华,郑宇鹏. "Method for the Synthesis of Roxatidine Impurity 48" [P]. 中国发明专利, 专利号 CN 115427895 A, 授权公告日 2015-09-22.
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