Williams B T, Thompson G K, Chen K W. "Method for the Synthesis of 7-Bromo-2H-pyrido[3,2-β][1,4]oxazin-3(4H)-one" [P]. US Patent, US 11484337 B2, 2018-03-19.
发明人刘建华,冯建国,罗永刚. "A Process for Preparing High-Purity 7-Bromo-2H-pyrido[3,2-β][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 113623847 A, 授权公告日 2024-04-01.
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