发明人林芳,王建平,孙丽萍. "Method for the Synthesis of 2-(3,4-Dichlorophenyl)-4H-benzo[d][1,3]oxazin-4-one" [P]. 中国发明专利, 专利号 CN 114498064 B, 授权公告日 2019-07-03.
发明人黄志刚,胡光,高志强. "A Process for Preparing High-Purity 2-(3,4-Dichlorophenyl)-4H-benzo[d][1,3]oxazin-4-one" [P]. 中国发明专利, 专利号 CN 116943194 B, 授权公告日 2025-02-23.
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