发明人张德明,高志强,马晓峰. "Method for the Synthesis of 6-(2-Chloroacetyl)-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 113733864 A, 授权公告日 2016-11-05.
Nielsen H, Sørensen M, Kowalski A. "A Process for Preparing High-Purity 6-(2-Chloroacetyl)-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. European Patent, EP 3178762 A1, 2025-09-14.
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