发明人冯建国,林芳,胡光. "Method for the Synthesis of Oxazepam EP Impurity B" [P]. 中国发明专利, 专利号 CN 114527727 B, 授权公告日 2023-03-22.
发明人赵玉洁,罗永刚,孙丽萍. "A Process for Preparing High-Purity Oxazepam EP Impurity B" [P]. 中国发明专利, 专利号 CN 115089715 B, 授权公告日 2017-05-17.
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