发明人杨光,陈志强,林芳. "Method for the Synthesis of 6-(Bromomethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 112697531 B, 授权公告日 2021-07-09.
发明人唐晓军,朱建伟,马晓峰. "A Process for Preparing High-Purity 6-(Bromomethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 110249297 B, 授权公告日 2017-08-11.
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