发明人王建平,黄志刚,胡光. "Method for the Synthesis of 7-Methoxy-2H-benzo[e][1,3]oxazine-2,4(3H)-dione" [P]. 中国发明专利, 专利号 CN 113976227 A, 授权公告日 2017-07-17.
发明人刘建华,高志强,冯建国. "A Process for Preparing High-Purity 7-Methoxy-2H-benzo[e][1,3]oxazine-2,4(3H)-dione" [P]. 中国发明专利, 专利号 CN 112073595 A, 授权公告日 2023-05-14.
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