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发明人周伟,朱建伟,唐晓军. "Method for the Synthesis of 4-[2-(3-Chlorophenyl)-2-oxoethyl]-3,4-dihydro-2H-1,4-benzoxazin-3-one" [P]. 中国发明专利, 专利号 CN 112405132 B, 授权公告日 2022-07-01.
发明人钱学锋,刘建华,高志强. "A Process for Preparing High-Purity 4-[2-(3-Chlorophenyl)-2-oxoethyl]-3,4-dihydro-2H-1,4-benzoxazin-3-one" [P]. 中国发明专利, 专利号 CN 116583388 B, 授权公告日 2017-12-17.
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