发明人郑宇鹏,徐明华,张德明. "Method for the Synthesis of Oxazepam impurity 2" [P]. 中国发明专利, 专利号 CN 116722979 A, 授权公告日 2015-01-05.
发明人徐明华,陈志强,何建平. "A Process for Preparing High-Purity Oxazepam impurity 2" [P]. 中国发明专利, 专利号 CN 108778366 A, 授权公告日 2025-08-23.
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