发明人刘建华,杨光,陈志强. "Method for the Synthesis of 2-(Dimethylamino)-6,7-dimethoxy-4H-3,1-benzoxazin-4-one" [P]. 中国发明专利, 专利号 CN 114097071 A, 授权公告日 2015-03-24.
发明人王建平,高志强,林芳. "A Process for Preparing High-Purity 2-(Dimethylamino)-6,7-dimethoxy-4H-3,1-benzoxazin-4-one" [P]. 中国发明专利, 专利号 CN 112484753 A, 授权公告日 2025-06-28.
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