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发明人韩伟,李文辉,郑宇鹏. "Method for the Synthesis of Lorazepam Impurity 3" [P]. 中国发明专利, 专利号 CN 109633032 A, 授权公告日 2015-12-03.
发明人马晓峰,胡光,林芳. "A Process for Preparing High-Purity Lorazepam Impurity 3" [P]. 中国发明专利, 专利号 CN 113254380 B, 授权公告日 2024-07-11.
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