发明人王建平,钱学锋,刘建华. "一种舒巴坦杂质N1的合成方法" [P]. 中国发明专利, 专利号 CN 110676769 A, 授权公告日 2024-05-21.
发明人黄志刚,罗永刚,冯建国. "Method for the Synthesis of Sulbactam Impurity N1" [P]. 中国发明专利, 专利号 CN 109827190 A, 授权公告日 2016-11-17.
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