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发明人赵玉洁,马晓峰,郑宇鹏. "Method for the Synthesis of Methyl 3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 117534515 A, 授权公告日 2022-08-08.
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