发明人韩伟,张德明,徐明华. "Method for the Synthesis of 6-Bromo-3,4-dihydro-2H-benzo[b][1,4]oxazine hydrochloride" [P]. 中国发明专利, 专利号 CN 115609403 B, 授权公告日 2024-08-20.
发明人杨光,林芳,罗永刚. "A Process for Preparing High-Purity 6-Bromo-3,4-dihydro-2H-benzo[b][1,4]oxazine hydrochloride" [P]. 中国发明专利, 专利号 CN 110753336 B, 授权公告日 2021-10-18.
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