发明人沈红梅,郑宇鹏,马晓峰. "Method for the Synthesis of 6-(2-Chloropropanoyl)-2,4-dimethyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 111329745 A, 授权公告日 2024-09-19.
发明人胡光,罗永刚,马晓峰. "A Process for Preparing High-Purity 6-(2-Chloropropanoyl)-2,4-dimethyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 108466995 B, 授权公告日 2024-03-03.
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