发明人唐晓军,韩伟,钱学锋. "一种5-羟基-8-(2-氨基乙基)-2H-苯并[b][1,4]噁嗪-3(4H)-酮盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 113316417 A, 授权公告日 2017-11-10.
Thompson G K, Williams B T, Johnson M A. "Method for the Synthesis of 8-(2-Aminoethyl)-5-hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one Hydrochloride" [P]. US Patent, US 11321868 B2, 2025-06-26.
发明人冯建国,林芳,罗永刚. "A Process for Preparing High-Purity 8-(2-Aminoethyl)-5-hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one Hydrochloride" [P]. 中国发明专利, 专利号 CN 114087563 B, 授权公告日 2021-08-18.
参考文献 Literature
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Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 8-(2-Aminoethyl)-5-hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one Hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2023, 2435, 3236-3265.